Best Gerda in 2026

🔑 SECURITY LOCK YOU CAN TRUST - Featuring the patented Rim cylinder, this thumb turn lock offers high-level, uncrackable protection. It’s certified to endure all known forced entry techniques.

🔑 ADVANCED KEY SYSTEM - The 3D key interacts with 16 pins placed on 4 different levels of the door cylinder lock. This mechanism creates over 4 billion combos, making each key virtually unique.

🔑 BUILT EXTREMELY TOUGH - Stay protected by using this heavy duty cylinder door lock. It’s made with anti-drilling steel pins, ball bearings, and a hardened core to endure picking and bumping.

Patlocks Instant French Door and Conservatory Security Lock

Easily fitted and released in seconds

No keys or code numbers required

POOL SAFETY FOR CHILDREN - For over 30 years MagnaLatch has set the standard for safety gates near swimming pools and childcare centers; this top pull latch is out of reach for young kids

MAGNETIC LATCHING TECHNOLOGY - The powerful magnets behind this industry leading technology are fully sealed internally to protect from the elements

ADJUSTABILITY - Vertically and horizontally adjustable with alignment markers for simple installation and enables you to adjust for ground shift or gate sag

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 11126 bronze finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!

EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Pre-drilling the included 3 in. security screws require holes to be pre-drilled with 1/8 in. drill bit

ADDITIONAL HOME SECURITY - Use this bronze finish high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside.

[Door Security Lock Defend your home ]Add Extra, High Security to your Home or private space and prevent unauthorized entry,double safety security protection and make you feel more secure.

[Child Proof Door Locks] Provides an effective solution for child proofing.Works good for keeping a 3 year old from sneaking out the front door.

[Extra layer of protection for Door ] Upgrade night lock make you feel safe with the extra protection.Much 12 times stronger than a normal deadbolt to against being kicked in. Purchase door reinforcement lock and sleep peacefully at night now.

Door Locks to Keep Your Home & Family Safe – Our precision engineered door security latch are made from ultra-strong aircraft-grade aluminum. This high security door guard is built to withstand up to 800 lbs. of force – the average force of a kick from a large male is approximately 500lbs. Investing in a high-strength inside door lock latch can help offer you and your family peace of mind.

Easy to Install Right Out of the Box – Our high-strength security door latch locks install in just 5 minutes. Simply fit the door latch lock to your door frame, mark the height and mounting holes and mount to your door jam with the supplied 3” hardened screws. Its thoughtful design makes the security door stopper easy to use and it’s a simple way to give you extra security and reassurance.

Low-Profile Design Perfect for Renters – Its discreet, low-profile design makes this “barely-there” door reinforcement lock the ultimate guardian for door lock security. A no-hassle installation makes it ideal for both tenants and landlords, and offers peace of mind without damaging or altering most standard door frames. It’s also available in a variety of finishes to blend in and match existing hardware.

[Keep your home safe] CRANACH security door lock Designed to withstand 800 lbs. of force，12times stronger than a normal deadbolt to against being kicked in,this reinforcement lock increasing your home security and keeping you and your family safe!

[Childproofing and Tamper-resistan] This door guardian has a spring-loaded design which can keep child safe. The child proof door locks can be installed higher on the door where your children can’t reach! Plus, prevent child from opening the door to unknown people.

[Easy to Install] Use power screwdriver and drill to mount CRANACH security door lock on your door frame ,finish DIY. CRANACH reinforcement door lock installation less than 5 minutes.Equipped with two sets of screws, four 1" and four 2", the length of the screw can be selected as needed.

REPLACE STANDARD LATCH AND STRIKES – The Defender Security U 10385 door strike is designed to replace the standard, separate latch and deadbolt strike plates with a one-piece combo plate.

MAXIMUM SECURITY STRIKE – This door strike provides maximum security! It comes with a one-piece combo plate plus six 3 inch long screws for maximum security. These longer screws allow for a strong hold, which helps prevent kick-ins.

TALLER LATCH AND BOLT OPENINGS – This door strike features slightly taller latch and bolt openings to accommodate door hardware spaced from 5-1/2 inch to 6 inch hole centers.

Works with Perma-Shield Gliding, Narroline Gliding, Frenchwood Gliding patio doors manufactured from

Also use this kit to replace previous vintage reachout locks with part numbers 2573558 and 2573562

This kit includes the reachout lock mechanism often called the deadlock that installs in the door p

【UPGRADED SAFER SECURITY DESIGN】 - 3" stop metal construction with strengthen screws home security door lock designed to withstand 800 Ibs of force, 12 times stronger than a normal deadbolt to against being kicked in. Winonly secure lock guard your home safe, Add Extra Door Lock, Defender you and Prevent Unauthorized Entry.

【UPGRADED EASY OPEN DESIGN】 - Groove Design for Easy Opening in Emergency.Place index finger on top of Winonly door lock and thumb on bottom and slide lock away from the base plate along the door in the direction of the hinges then pull outward. No tools required to open, just a little practice. Not only prevent breaking in but also easy to open in case of emergency.

【EASY TO INSTALL】 - Use power screwdriver and drill to mount Winonly security door lock on your door frame ,finish DIY Winonly door lock installation less than 5 minutes. Easy to match any inward swinging door. Add a extra Winonly safety door lock to guard your home security as a door defender.

Key pins are compatible with Kwikset-brand bedroom or bathroom door knobs/levers.

Included: 5 door lock emergency key pins.

Can be stored conveniently above door frame for easy access.

[Keep your home safe] CRANACH security door lock Designed to withstand 800 lbs. of force，12times stronger than a normal deadbolt to against being kicked in,this reinforcement lock increasing your home security and keeping you and your family safe!

[Childproofing and Tamper-resistan] This door guardian has a spring-loaded design which can keep child safe. The child proof door locks can be installed higher on the door where your children can’t reach! Plus, prevent child from opening the door to unknown people.

[Easy to Install] Use power screwdriver and drill to mount CRANACH security door lock on your door frame ,finish DIY. CRANACH reinforcement door lock installation less than 5 minutes.Equipped with two sets of screws, four 1" and four 2", the length of the screw can be selected as needed.

STRONG DESIGN: Designed to withstand 800 lbs. of force. The door reinforcement lock is heavy-duty construction, very solid and secure. Fits on any thickness of doors. Helps to protect anyone opening the door from the outside, increasing your home security and keeping you and your family safe

KEEP YOUR HOME SAFE: Upgrade night lock design make you feel safe with the extra protection. 12 times stronger than a normal deadbolt to against being kicked in. Secure lock guard your home safe. Not only prevent break-in but also easy open in case of emergency

CHILD PROOF: The spring-loaded design makes this door latch a child safe; It can be installed higher on the door where your children can’t reach. Works good for keeping a child from sneaking out the front door

SAFETY FOR CHILDREN & PETS - For over 30 years MagnaLatch has set the standard for safety gates around the home and garden; this vertical pull latch is out of reach for young kids

MAGNETIC LATCHING TECHNOLOGY - The powerful magnets behind this industry leading technology are fully sealed internally to protect from the elements

ADJUSTABILITY -Vertically and horizontally adjustable with alignment markers for simple installation and enables you to adjust for ground shift or gate sag

Located underneath inside escutcheon plate and held in place with a limiting plate and two screws

400 Series Frenchwood Hinged (In-Swing and Out-Swing) Patio Doors manufactured from 1988 to Present.

If the deadbolt knob spins it is likely the actuator needs to be replaced.

The original portable door lock: Addalock is a portable door lock that can be used on most doors that are hinged and swing inwards. Our home security door lock is designed to offer additional safety, security, and privacy in your space.

Safety at home: The Addalock door lock provides additional safety and privacy while you are home or in a private room. This lock installs in seconds without any tools required and can be used while renting for more apartment security, as child safety locks and is great for a secure college dorm room.

Safety on the go: Take it with you when you travel whether you are in a hotel, staying at an AirBNB or any other short term rental. Keep one in your travel bag and always stay safe with your travel lock while on vacation or on a business trip.

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 11325 Brushed Chrome finish door reinforcement lock helps to prevent doors from being kicked in, increasing your home security and keeping you and your family safe!

EASY INSTALLATION – The included 3” hardened screws make installation a breeze – extra security and peace of mind can be achieved in just minutes! Watch the video on this page for installation tips and operating instructions.

ADDITIONAL HOME SECURITY - Use this high security door reinforcement lock for additional home security on any swing-in door of any door thickness. It helps to ensure any door cannot be opened from the outside.

Low-Profile Design Perfect for Renters – Its discreet, low-profile design makes this “barely-there” door reinforcement lock the ultimate guardian for door lock security; A no-hassle installation makes it ideal for both tenants and landlords, and offers peace of mind without damaging or altering most standard door frames; It’s also available in a variety of finishes to blend in and match existing CLT Sangyoge hardware

STRONGER & MORE SECURE THAN DOOR CHAINS - Any professional locksmith will tell you that a deadbolt or door chain is not strong enough to add real door guard security to your home; Adding high-security door safety latch locks to front doors, side doors, garage doors and basement doors makes you feel more at ease and more secure in your home

LOW-PROFILE DESIGN PERFECT FOR RENTERS – Its discreet, low-profile design makes this “barely-there” anti-theft latch lock the ultimate door guard for home security; A no-hassle installation makes it ideal for both tenants and landlords, and offers peace of mind without damaging or altering most standard door frames; It’s also available in a variety of finishes to blend in and match existing hardware

Intended for LARSON doors only

Door must have a factory bored 9/16-inch by 1-3/8-inch mortised hole on the edge of the door

Classic design with the convenience of a rotating lever

MAINTAIN SECURITY – Use this hole filler plate to maintain security and privacy on entry doors where the knob latch or deadbolt hardware is no longer being used; this door plate has a 2-5/8 inch outside diameter and fits on doors up to 1-3/4 inch thick

CONCEAL HOLES – This door knob hole cover plate can cover holes from 1/2 inch in diameter up to 2-1/8 inch; the door hole filler plate covers up any holes that may allow for unwanted entry or invasion of privacy, and keeps doors looking great

EASY INSTALLATION – With only two fasteners to install, installation is quick and easy and the deadbolt hole cover can conceal most bores and holes

Door lock kit utilizes C-clamp design with tool-free clamping and no surface damage

Door lock kit utilizes alignment window and taller bushings to deliver accurate height placement and straight drilling

Door lock kit includes two adjustable bushings which accept both standard backsets and both common door thicknesses

This Chain Door Guard is a security locking device for swing-in entry doors that allows for safe viewing and ventilation

All components come in a beautiful, corrosion resistant, white finish

Constructed of stamped steel and comes in a white painted finish

For ARE Brand Camper Shells Rear Door. Turns Clockwise. May Fit Other Makes and Models

Fits on Most V, CX, TW, MX, and Overland Series ARE Brand Camper Shells With One T-Handle on Rear Door. Holes are spaced 1.5" from center of screw hole to center or other screw hole.

Easy to Replace! Durable High Strength Nylon! In Stock!

Easily replaces many vinyl, aluminum, and wooden sliding door mortise locks (See dimension photo)

Durable all steel mortise lock- No die-cast zinc components

Round end face plate, Adjustable hook, 45 degree hub, 5-3/8” Screw holes

Box of 250

Brass

SC1 Keyway

✔️ WILL IT FIT MY APPLICATION? Our RV Door Lock fits RVs and trailers with A LOCK HOLE OPENING of 3.75" tall x 2.75" wide x 1.5" thick. CHECK DIMENSIONS and LATCH STYLE with your trailer BEFORE PURCHASING! Our locks are designed with your security in mind! DOES NOT FIT CLASS A OR CLASS C.

✔️ WHILE OTHER RV LOCKS ARE flimsy and made of plastic, our RV Door Lock is 100% METAL. The IP67 waterproof technology allows our camper door latch to handle the harsh outdoors. The all metal finish and sealing gasket allows it to be rust proof and dirt proof. Allow us to secure your valuables and HELP YOU TRAVEL WORRY FREE WITH LOVED ONES.

✔️ EACH KIT ARRIVES READY TO INSTALL AND INCLUDES 1x RV Door Handle, FOUR Mechanical Keys, Gift-Ready Premium Packaging, 4x Different Length Screws, Mounting Hardware & Owner's Manual/Install Guide. INSTALL IT WITHIN 10-MINUTES! All 100% backed by our LIFETIME warranty and 24/7 Online Support. MAKE SURE DIMENSIONS FIT YOUR APPLICATION.

✅[KEEP YOUR HOME SAFE]: HauSun home security door lock keep your home safe. 12 times stronger than a normal deadbolt to against being kicked in.Not only prevent break-in but also easy open when meet urgent.

✅[CHILD PROOF]: The spring-loaded design makes this door lock a child safe. It can be installed higher on the door where your children can’t reach! Security Door Lock add extra security measures for child, while you're always on business.

✅[EASY TO INSTALL]: Use power screwdriver and drill to mount door reinforcement lock on your door frame, finish door lock installation less than 5 minutes. Easy to match any inward swinging door.

✅[KEEP YOUR HOME SAFE]: HauSun home security door lock keep your home safe. 12 times stronger than a normal deadbolt to against being kicked in.Not only prevent break-in but also easy open when meet urgent.

✅[CHILD PROOF]: The spring-loaded design makes this door lock a child safe. It can be installed higher on the door where your children can’t reach! Security Door Lock add extra security measures for child, while you're always on business.

✅[EASY TO INSTALL]: Use power screwdriver and drill to mount door reinforcement lock on your door frame, finish door lock installation less than 5 minutes. Easy to match any inward swinging door.

Secure smart lock for your front door; replaces the deadbolt lock you already have

Keyless entry on the LED keypad so you can lock and unlock your front door without a key; keypad chimes play sounds to confirm responses, such as locking, unlocking, or turning Privacy Mode on or off

Let someone in from anywhere; unlock the door with your phone for easy guest access

Additional Home Security - Crafted from sturdy alloy, the Door Reinforcement Lock withstands up to 800 lbs of force, 16 times stronger than a normal deadbolt to against being kicked in.

Easy to Install - Each Door Reinforcement Lock is equipped with total 8 screws including 4 long and 4 short ones, select the appropriate screws, use an electric drill to install within 5 minutes. Easily add an extra lock to your door.

Easy to Use - Use your thumb and forefinger to pinch both the top and bottom grooves, pull to the side and swing away from the door to open the lock. Reverse the actions to close. You can also see a step-by-step instruction in our pictures.