Best Silicone Jewelry Mandrels in 2026

Plastic ring sizer set with US Size of 1-13, UK Size A-Z.（"8 Q" is US size 8, UK size Q. "-8 R" is US size 8.5, UK size R etc.)

Ring sizer kit come in half sizes, ( "-" Means 1/2 size. "-6" is 6.5, "-7" is 7.5, "-8" is 8.5 etc), no quarter sizes

Ring size measure us set increments are clearly marked on each ring, easy to use and measure your ring size correctly

Ring size adjuster is made of TPU,ring resizers are so comfortable that you even don't feel it's there

3 Sizes of ring adjuster included: Round Tubing in 2mm wide;Flat Tubing in 2mm wide;Flat Tubing in 3mm wide , Each size of ring sizer comes with 5 pcs

Never need to worry ring adjuster for loose rings would scratch your ring; 10cm/3.9 inch long, can be shortened to adjust size reduction

⭐ VIRTUALLY INVISIBLE RING SIZE ADJUSTER FOR LOOSE RINGS - High-quality Transparent TPU Material and Unique Design, Virtually Invisible when on rings.

⭐ 8 ASSORTED SIZES IN ONE PACK - Reduce Ring Size 0.5-1 Size, Perfect Fit for loose rings, Prevent the ring sliding off your finger, Saving your valuable rings.

⭐ FITS MOST RINGS - Fits Ring Width from 1mm to 10mm, Suitable for both Women’s Rings and Men’s Rings(even Wide Men’s Rings). Works with Big Knuckles as well.

【Magnified Glass】 The unique built-in magnifying glass design helps you to read the scale easily and quickly. Suitable for all ages.

【Clear and Accurate】 This ring sizer measuring tool prints accurately and clearly. 1-17 US size, suitable for all finger sizes from 1-17.

【Flexible and Durable】 The material of this ring sizing tool is made of upgraded silicone, so it has perfect flexibility and durability. In addition, the printing is not easy to fall off, ensuring that it can be reused for a long time.

GREAT SOLUTION: for fingers with knuckle problems and without having to re-size, perfect for loose rings.

Soft and Flexible material, safe to use on skin. Virtually Invisible on the rings!

8 PCS/Set in assorted sizes, there is always one for your loose ring. The ring size adjuster is only for the rings that are 0.5-2 size bigger.

Fit 90% Of Rings And Easy To Use. This Ring Size Adjuster will make your ring smaller without resizing. Moreover, it fits both women and men rings. Whatever you do your ring fits perfect and there is no chance to lose your valuable jewelry down.

High Quality Certified TPU Silicone - Forget about allergies and discomfort. TPU (thermoplastic polyurethane) is used in medicine and therefore is completely safe for health and causes No irritation whatsoever. TPU is reusable and durable. It is also suitable for all rings: those that were made of precious metals and which have precious stones. Easy to put on and you can barely feel it

Multipurpose - This small device is extremely useful as it resolves many issues such as: losing rings, oversize rings (way to handle if your ring is too big) and even combining multiple thin rings in one single piece. You are stressed out before your wedding and you lost weight, your engagement ring is loose, and you are worried to lose it? Don’t worry about that, this Ring Size Adjuster is specifically designed to secure your rings.

What You Get?: A full set of tools will help you get rid of ring size worries. Set include 8 sizes plug-in invisible ring adjuster, 2 pcs for each size, 16 pcs in total. 4 packs EVA foam ring size adjuster, colors include black, white, gray, yellow. 4 sizes spiral silicone tightener, 2 pcs for each size, 8 pcs in total. 1 ring size measuring tool, 1 polishing cloth, 1 stainless steel tip scissors, 1 plastic box.

Fits Most Rings: Fits ring widths from 1mm to 10mm, suitable for women's rings and men's rings (even wide men's rings). This ring size adjuster is specially designed to hold your ring.

Invisible - Fully Integrated Into Your Ring: This silicone ring adjuster is completely transparent when you use it, no one will notice it unless you show it to others. With it, you don't need to worry about the size of the ring. You just need to pick the right size and it will be like a part of your ring, holding the ring firmly on your finger, you won't even feel it.

⭐[Reduce Size for Different Ring] Package includes 16 ring guards for loose rings in 4 different sizes, can reduce rings by 0.5~2 sizes, which are suitable for 99% of men's and women's rings. Ring spacers will reduce rings size without resizing or damaging your precious jewelry. This is the perfect solution to keep save your precious rings at the lowest cost.

⭐[Premium Soft TPU] The Ring guard is made of high-quality transparent silicone, non-toxic and no Irritation, comfortable to wear and safe to your skin. The ring size adjuster has a spiral design, easy to use and tightly wrap the ring and play its role.

⭐[Virtually Invisible On Ring] The Ring spacers are designed with a transparent appearance, which is almost completely transparent when on rings, you feel nothing when it is worn on the finger. The ring adjuster for loose rings can temporarily change your ring size, you can replace it freely.

Large quantity: 8 sheets of ring size adjusters and 152 pieces in total, 19 pieces of sticky strips per sheet (different sizes as images shown), sufficient and enough to stick ring, and even for crafts making

Various size choices: the width range of ring size adjusters is from 3 mm to 8 mm, and the largest part is approx. 4.5 x 3.2 cm/ 1.8 x 1.3 inch (LW), satisfy the need of diy to get the ideal shape and size

Bright colors: its colors are bright and beautiful, you can match it according to realistic and reference to get a better effect

Compatible for Most of Loose Rings : This ring size adjuster with 4 different sizes fits almost all type of rings without adhesive

Great Solution for Resizing Your Ring : Re-size your ring via adding loops to your ring, the more loops the more tight and will not damage your ring

Silicone Material Feels Nothing on Hand : Made of invisible soft silicone, easy to wear and protect your skin from hurting or pinching

Material:Wood

Please note that: there is no size print on ring mandrel.

The wood ring mandrel is good for ring polishing and sanding.

<b>●PREMIUM CERTIFIED TPU: </b>The ring reducer is made of TPU which is reusable and durable, completely safe and won't cause any irritation, no need to worry about allergies, easy to apply, no adhesive, chemicals or fasteners required.

<b>●DISCRETE AND COMFORTABLE:</b> Invisible soft TPU material, transparent see-through with abrasion resistance and general elasticity, leave no doubt about visibility. It will bring you convenience and comfort while ensuring that your ring won’t be lost due to looseness.

<b>●MULTIPURPOSE AND WIDE APPLICABILITY:</b> The RING SIZE REDUCER SET fits most women's and men's rings, great way to make your ring remain comfortable to wear without having to re-size, keeping your jewellery undamaged, just choose the right size and clip or warp on your rings.

Material: Eco-friendly material, safe to use on skin. Virtually Invisible on the rings!

Easy to clean: can be easily wiped off to remove dirt, oil, prevents water-retention & contaminant build-up.

Invisibility: It is hardly see the ring size adjuster after you put on the it, Make your ring a perfect show.

Package includes: this package contains 1 piece pf US white (1-17) ring sizer, 1 piece of UK black (A-Z) ring sizer, 1 piece of ring mandrel, 1 piece of finger sizer measuring ring tool, 1 piece of ring repair tool, 1 piece of rubber jewelry hammer, 2 pieces of polishing cloths, 2 pieces of polishing stick and 1 piece of polished agate knife, totally 11 pieces in this combination set

Measure sizer: the ring mandrel with US sizes of 2-15 and UK sizes of D-Z with line marks on shaft to get the ring straight before measuring; Ring sizer gauges include 27 pieces, US ring sizes of 0-13, comes in half sizes (the negative number means half size), no quarter sizes, can easily get the accurate size of your lover

Practical repair tools: the rubber hammer and wood repair tool can be applied to fix or adjust rings or other jewelry, rubber head will not leave marks on the jewelry or damage your jewelry

【Gold Filled Metal Ring Guard】Small Ring Guards-These are best for children's rings, women's rings. Fit shanks upto 2.5 mm.Medium Ring Guards-For A thick banded women's ring or regular men's ring.Fit shanks upto 2.75 mm to 4mm.Large Ring Guard-Thick banded men's rings or extra wide bands.Fit shanks up to 7 mm or up.Every size along with 3 pcs,pack of 9 in total

【Spiral design】There are 4 sizes of spiral design ring size adjusters,which are flat tube and round tube; The outer diameter is 2mm round, 5mm round, 3mm flat, 5mm flat,each piece is 10cm length,this ring size adjuster will make your oversized ring smaller,different thicknesses and styles are suitable for your different rings

【Premium Material】The guards for loose rings are durable and Long-Lasting,2 Styles Ring Size Adjuster Set with Gold Metal Ring Guard and Transparent soft silicone material that will not create any discomfort on your skin,virtually invisible and it's not obvious on your ring unless you really look for it.

Adjustable Size: 4 sizes in style 1(spiral design), 7 sizes in style 2(insert design), The material is made of high quality transparent soft TPU silicone.

Customized Design for the Ring: adopt the same arc design as the rings. The 2mm high convex on both sides can be better stuck on the ring and not easy to fall off.

Easy to Use: Bottom width of Ring Regulator that is more big than your ring is pressed inside the ring , which is suitable for Man and woman ring within the width 1mm to 8mm.

Good solution: it is a good solution for fingers with knuckle problems by applying the ring adjuster; It can reduce 1-1.5 size of your ring suit for loose rings; Two or more rings require winding the coil about half the way up the ring to secure the ring properly

Material: made of good grade poly tubing, non-toxic; It has advantages of abrasion resistance, oil resistance, transparency, and good elasticity, which is soft, durable and comfortable; Silver polishing cloth made of quality cotton contained a silver cleaner and anti-tarnish agent, which can clean up tarnished silver rings and other silver jewelry

Dimensions: each ring size adjuster approx. 10 cm/ 4 inch, it can be shortened to adjust size reduction, 4 different styles ring size adjusters will satisfy your different needs; At the time of purchase, you need to choose the appropriate size, and determine whether it is suitable for this product in combination with the width and thickness of the ring

【SAFE MATERIAL】Made of high quality TPU Silicone, which is safe for your ring.

【3 SIZES & 2 SHAPE INCLUDED】Round tubing and flat tubing in 1.2mm, 2mm and 2.5mm wide;Each size comes with 3 pcs. Reduces ring size 1- 1.5 size.

【LENGTH】10cm/4 inch, it can be shortened to adjust size. Choose the proper size ring adjuster according to your loosing width.

High Quality ----- This product is a quality-modified silicone rubber quality product made of imported materials. Compared with the common pure rubber products, the quality is better, the brightness is faster, and the polished products are finer.

Features ----- It has stable quality, fine craftsmanship, good wear resistance, strong grinding force, high temperature resistance, good heat dissipation and precise concentricity. The workpiece will not be burned and cracked, which can make the workpiece show surface finish such as mirror surface.

Working Well ------ 40Pcs Silicone Rubber Polishing Wheels + 12 Mandrel Shank. These mandrels are slotted with a 3/32" - 2.35mm shank. They are designed to be used on rotary handpieces. RMP: 8,000 - 15,000. Ideal for: Dental labs, Jewlery, Woodingworking.

4 SIZES, FIT 90% OF RINGS: 12 pieces in 4 different sizes (2mm, 3mm, 4mm, 5mm) can meet most of your needs for your rings.They are both 4 inches in length for each. This Ring Size Adjuster will make your ring smaller without resizing. Moreover, it fits both women and men rings. Now you can easily wear your expensive loose ring on and there is no chance to lose your valuable jewelry down.

HIGH QUALITY SILICONE - Forget about allergies and discomfort. Made of premium silicone, these ring size adjuster is completely safe for health and causes NO irritation whatsoever. It fulls of flexibility and fits a wide variety of rings like gold, silver, platinum and for those rings that have diamonds. Easy to put on and you can barely feel it.

VERY EASY TO USE: Spiral coil to wrap around rings. Ring Size Adjusters will reduce your ring size up to 4 sizes depending on how much of the product you use. Spiral-based design provides a snug fit for most rings.

【Ring Sizer Adjuster for Loose Rings】If the ring is slightly larger than your finger, for example, the size of the purchased ring is too large, the finger becomes thinner after weight loss, the finger joint is thicker than the finger, ring guard can help you. You can use it to help secure your ring and keep your precious ring safe.

【Suitable for most rings】Contains 12 quantity, 4 sizes of ring size adjusters, 2mm round, 5mm round, 3mm flat, 5mm flat, each length is 100mm, suitable for women's rings, Men's rings, engagement rings, wedding rings, and most rings in most sizes.

【Comfortable to wear】This ring adjuster is made of high-quality transparent TPU silicone material, which is elastic, will not compress the fingers, and will not irritate the skin. People with allergic skin can also use it with confidence.

Great tool for any beader and jewelry maker

Made of heavy roller polished vinyl

Shipped flat; easy to assemble

High Quality: the ring size adjusters are made of premium TPU((thermoplastic polyurethane), reusable, soft and durable, cause no irritation to your skin!

Content: this set contains 8pcs ring guards with two sizes-2mm (4pcs) and 3mm(4pcs) in width, all 10cm/4 inch in length with a fine jewelry polishing cloth for cleaning your jewelry before ring sizers application.

Versatility: this set of ring size adjusters is the best solution for fingers with knuckle problems. It can reduce 1-1.5 size of your ring when your ring gets loose, avoid ring rotating and even combine two or three rings together. Definitely your must have!

Great Solution to Resize Your Ring: EcoNour Ring Adjuster is made of invisible soft silicone material that is easy to wear and makes your ring size smaller without the need for resizing.

Compatible for Rings of Any Size and Shape: Our Ring Guards for loose rings comes in 4 different sizes with four different thicknesses that are durable and fit almost all types of rings.

Spiral and Flat Design for Secure Fit: Our ring sizers that comes in 2mm, 4mm will fit perfectly for round rings, and 3mm, 5mm will fit perfectly for flat rings and makes it more comfortable and fit.

Great tool for any beader and jewelry maker

Made of heavy roller polished vinyl

Shipped flat; easy to assemble

Package content: you will get 16 packs of the same thickness ring size adjusters in 8 different sizes, one of which can meet your needs, suitable for loose rings to prevent the ring from sliding off your finger; And it's also suitable for both men and women's rings and even for large knuckles

Comfortable material: the invisible ring size adjusters are made of soft silicone which are reusable and durable; And it is anti-sensitive and completely safe for your health and causes no irritation whatsoever, so you can to put them on simply and barely feel it

Invisible design: each one is designed with transparent material, which does not detract the beauty from the rings, you can’t even feel it’s existed; And it will not get loose on your ring or stretch out and always keep its initial form

Package content: 1 package includes 40 pieces of invisible ring guards in spiral design, available in 4 sizes, which fit most men and women rings, enough quantities to meet daily needs, you can share some pieces with friends

Comfortable and safe: each ring size adjuster are made of silicone, which is soft and non-toxic, friendly to skin, not easy to cause irritation to fingers, sometimes, you even can't even feel it around your ring and fingers, smooth surfaces gives you a comfortable wearing experiences

Easy to apply: the bottom width of ring regulator is pressed inside the ring, which is more big than your ring and stay well on rings, these invisible ring guards can be cut into different length to fit your rings

30 Size Mandrels: about 10cm/ 3.9inch long, 0.5~5mm in diameter. The different diameter dowels allows you to make different size jewelry making.

Material: Stainless steel material in stainless steel color, durable to use. Handy to have around for forming rings, loops, spirals, jump rings etc.

Easy to Use: Very nice to wrap wire around, and then cut into jump rings. These are a comfortable length to work with, and have nicely sanded ends, so no splinters.

Reliable material: the invisible ring size adjuster is made of quality silicone material, non-toxic and safe to use, friendly to skin, slip resistant, soft and comfortable to wear with no pain and no irritation to your fingers, will not affect the beauty and integrity of your ring or finger

Multiple sizes to choose: the package includes multiple sizes for you to choose, ranging from 3 to 10 mm, 3 different width is 8 mm, 15 mm, 24 mm, can be cut it to any size or shape to meet your multiple needs and make your ring fit without having to re-size

Convenient to use: choose the right size of the silicone ring guard and carefully stick in the inner ring band, press it lightly with your finger to better attach to the ring, then it will stay well on rings and feel nothing on your ring and finger; Please don't touch water for longer wearing

★ Compared to the ring size adjusters on the market, our unique upgraded design will make your ring less likely to fall off, easier to use, and more stable to fix. Keep your rings safe and secure.

★ Our ring sizers for loose rings are available in 8 sizes for quick adjustment of ring bands of different sizes. They are suitable for all men's rings and women's rings.

★ The ring adjusters will make your loose ring a little smaller so that your ring is a better size and more comfortable to wear.They will neither move around nor irritate or rub your skin.