Best Defender Security in 2026

KEEP YOUR HOME SAFE – Designed to withstand 800 lbs. of force, this U 10827 satin nickel 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!

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.

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 in. 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 in. to 6 in. hole centers.

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.

SECONDARY SECURITY LOCKING DEVICE – This Defender Security U 9846 Patio Sliding Door Loop Lock can be used on a patio sliding door as a secondary security lock for increased home safety..Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

CHILD-SAFE SECURITY DEVICE - This door loop lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.

EASY INSTALLATION - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.

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.

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

SWING BAR DOOR GUARD – The Defender Security U 11316 Swing Bar Door Guard, with a satin nickel finish, will increase peace of mind when answering the door by allowing the door to be cracked open slightly for viewing.

ADDITIONAL HOME SECURITY – Add security to your entry door and help prevent forced entry. When engaged, a ball on the keeper interlocks with the bar lock and prevents an intruder from pushing their way through.

THUMB TURN LOCK – The additional thumb turn security lock blocks the release tool from disengaging the door guard latch.

Components of this heavy-duty chain door guard are constructed of diecast and steel materials

All components come in a beautiful, corrosion resistant, satin nickel plated finish

Designed for use on hinged entry doors that swing inward, into the dwelling

VERSATILE SURFACE LOCK – The U 10307 Surface Bolt can be mounted vertically or horizontally and is effective for keeping doors, cabinets and closets closed, deterring kids and pets from getting in or out from certain areas of your home, and so much more.

GREAT FOR CHILD PROOFING – The surface bolt lock is a great alternative to traditional products to baby and child proof your home. It can be installed out of the reach of inquisitive toddlers and adds a level of security to many areas of your home. Great for pet-proofing too!

EASY INSTALLATION – Installation is quick and easy! The surface bolt includes a surface mount keeper and a mortise-style keeper to accommodate a variety of applications.

SECURITY LOCKING DEVICE –This U 10304 Chain Door Guard is a security locking device for doors, allowing a door to be slightly opened to allow safe viewing and ventilation.

CHILD-SAFE SECURITY DEVICE – This door chain lock can also be installed out of reach of children so they cannot open the door by themselves, providing additional child-safe door security.

EASY INSTALLATION  - Installation is quick and easy – additional security for your home or office doors are within reach! Installation fasteners are included.

FLUTED GLASS KNOB SET - The E 2537 fluted glass door knob set is ideal for replacing or updating interior door hardware. With beautiful classic fluted glass and classic bronze finish, it’s the perfect choice for your next project.

REPLACE ANTIQUE KNOB SETS – This E 2537 Mortise lock set is the perfect choice for replacing broken knobs on old or antique/vintage interior doors.

BEAUTIFUL, CLASSIC DESIGN – The design of these clear glass fluted knobs with a classic bronze finished knob base will fit perfectly into a vintage or antique style door.

Used to secure sliding window in a closed or ventilating position

Thumb turn screw secures lock in place

Fits up to 1/8 inch thick rails

Security latch strike is used to help increase the security of entry doors, more so than standard, smaller strike plates

Stamped steel construction with a chrome-plated finish

Installation of this security strike plate provides the most economical way to reinforce a door

MAINTAIN SECURITY – Use this door hole cover plate to help maintain security and privacy on entry doors where the knob latch or deadbolt hardware is no longer being used. Cover up the holes that may allow for unwanted entry or invasion of privacy, and keep doors looking great!

CONCEAL HOLES – This door hole cover plate can cover bores and holes from 1/2” diameter up to 2-1/8”

EASY INSTALLATION – With only two fasteners to install, installation is quick and easy, and the door hole cover plate can conceal most bores and holes for additional security and privacy.

Constructed from solid brass components, to include housing, pins and keys.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

Components come in a beautiful, corrosion resistant, brass plated finish

Designed for use with deadbolt and deadlatch door locks

MAINTAIN SECURITY – Use the PRIME-LINE Door Hole Cover Plate to help maintain security and privacy on entry doors where the knob latch or deadbolt hardware is no longer being used. Cover up holes that may allow for unwanted entry or invasion of privacy.

CONCEAL HOLES – This door hole cover plate can cover bores and holes from 1/2” diameter up to 2-1/8”.

EASY INSTALLATION – With only two fasteners to install, installation is quick and easy, and the door hole cover plate can conceal most bores and holes for additional security and privacy. All the necessary mounting hardware is included.

Designed for sliding patio doors

Helps protect against a forced entry

Surface mount design

Designed for single bore doors with a 2-3/8 inch backset

Helps protect against a forced entry

For use on doors 1-3/8 inch thick that have mortise or drive-in latches

Typically used on 2-1/8 inch bore lock sets

Converts a 2-3/4 inch to 2-3/8 in

Brass construction

Used on swing-in doors to protect against unauthorized entry by preventing lock bumping and lock picking (while in the locked position).Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

3 in. tall stop projects 1 in. beyond face of door when in locked position

Meets Texas building code requirement

Used on entry doors to provide privacy while viewing from inside the home, and also as a decorative door knocker for visitors

Requires a 9/16 in. diameter installation hole, designed to install on 1-3/8 in. to 1-3/4 in. thick doors. Total height is 5-1/2 in

180 Degree view

Typically used on 2-1/8 in. bore lock sets.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.

Converts a 2-3/4 in. to 2-3/8 in

Steel nickel plated

Fits most vintage door hardware

Bit key opening

Includes fasteners

Used as a secondary lock and as a replacement latch on sliding screen doors

1-1/8 in. x 2-3/4 in. with mounting holes that are 2-1/8 in. on center

Chrome plated finish

DOORKNOB LOCK-OUT DEVICE – The Defender Security doorknob lock-out device can be placed directly over the doorknob to prevent access to the keyhole.

COVERS KEYHOLE – This doorknob security device is designed to keep the keyhole on the knob from being accessed, not the handle from being turned, effectively keeping other keyholders out.

REMOVABLE – The durable diecast cylinder is held in place with an O-ring and is removable when the device is unlocked and open. The cylinder cannot be removed when the device is closed and locked.

SECURE CABINET DOORS AND DRAWERS – This U 9941 lock can be used to secure cabinet doors, drawers and much more.

DURABLE CONSTRUCTION – This drawer and cabinet lock is constructed of diecast and steel components with a stainless steel finish. It’s durable and strong, perfect for keeping your small items safe.

COMES COMPLETE - This drawer and cabinet lock comes complete with 3 cams, a trim collar, 2 reversible rotation washers, 2 keys and fasteners. Keyed Different, Yale Y-11 keyway.

NOTE: Not intended for a patio door, windows only.

EACH PACK INCLUDES – (1) Adjustable jaw that fits all vinyl frame rail thicknesses from 1/16" up to 1/2 in. thick. "Vise like" grip holds securely and will not mar frame. Allows window to lock in ventilating position; cam style locking lever; no tools required. This is for Vinyl Windows only.

SECURELY LOCK WINDOWS – These U 9809 sliding window locks for vinyl windows help keep them securely closed. The locks feature an adjustable jaw that has a “vise-like” grip, and they are capable of opening up to ½” wide.

Constructed of durable stamped steel

Comes in a beautiful, corrosion resistant, chrome plated finish

Designed for use with door latch hardware on hinged swinging doors

Used on door jambs when more security is desired

For 1-3/8 in. thick doors

Four 3 in. long screws provided for maximum security

For use with swing-in hinged entry doors

12 in. overall height helps provide ample protection of door latching area

Solid steel construction ensures durability