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Prime Line U 10679 Sliding Patio Door Lock Prime Line U 10679 Sliding Patio Door Lock, Anodized Aluminum

Double thumbscrew for sliding doors and windows. Rubber insert helps prevent marring on window frame. Includes 1 lock.

Our Price: $2.49
Prime Line U-9858 Door Pin Lock Prime Line U-9858 Door Pin Lock, Steel

Securely locks patio door in closed or ventilating position by preventing sliding and lifting. 2-3/8"L x 3/16"OD case hardened steel pin locks in retaining ring when engaged, and stores in holder when unlocked. Includes pin with chain, retaining cap, holder, and installation screws.

Our Price: $3.09
National Hardware V813 Patio Door Security Pin PATIO DOOR SECURITY PINS NCKL

National Hardware Patio Door Security Pin, Series: V813, Suitable For Use With: Sliding Doors and Windows, Steel, Nickel Plated

Our Price: $3.59
Prime Line U 9866 Adjustable Spring Loaded Sliding Door Lock Prime Line U 9866 Adjustable Spring Loaded Sliding Door Lock, Die Cast Aluminum

Diecast painted housing with case-hardened steel bolt. Securely locks door in closed or ventilating position. 2-1/4"L x 1-1/16"W. Prevents sliding or lifting of door. Bolt 5/8". Includes 1 lock and 2 installation screws. Prefix U on factory number denotes new Defender Security packaging.

Our Price: $3.99
National Hardware V800 Sliding Door Latch SLIDING DR LATCH 1-1/2IN NCKL

National Hardware Door Latch, Sliding, Series: V800, Suitable For Use With: Wood or Metal Doors, Flush Mounting, Die Cast Steel, Nickel Plated, 1-1/2 in L Latch

Our Price: $10.79
LATCH SLIDING DOOR NKL 2-1/2IN National Hardware N238-998 Sliding Door Latch, Die Cast/Steel, Nickel Plated

Designed to secure sliding doors from the inside. Steel bar for security.  Features long extension bar to reach over moldings, trims, etc. Flush mount or corner applications. Visual-pack.

Our Price: $15.59
LATCH SLIDING DOOR BRS 1-1/2IN National Hardware N238-980 Sliding Door Latch, Die Cast/Steel, Brass

Designed to secure sliding doors from the inside. Steel bar for security.  Features long extension bar to reach over moldings, trims, etc. Flush mount or corner applications. Visual-pack.

Our Price: $16.09
Prime Line U 9920 Adjustable Telescopic Security Bar Lock Prime Line U 9920 Adjustable Telescopic Security Bar Lock, Anodized Aluminum

Telescopic aluminum bar accommodates 28" to 48" wide inside and outside sliding patio doors. No cutting required. Includes 1 bar, locking saddle, and installation screws.

Our Price: $16.49
LATCH SLIDING DOOR BRS 2-1/2IN National Hardware N239-004 Sliding Door Latch, Die Cast/Steel, Brass

Designed to secure sliding doors from the inside. Steel bar for security.  Features long extension bar to reach over moldings, trims, etc. Flush mount or corner applications. Visual-pack.

Our Price: $16.69
Prime Line U 9921 Telescopic Security Bar Lock Prime Line U 9921 Telescopic Security Bar Lock, Anodized Aluminum, Painted

Telescopic aluminum bar accommodates 28" to 48" wide inside and outside sliding patio doors. No cutting required. Includes 1 bar, locking saddle, and installation screws.

Our Price: $18.19
Ideal Security SK110W Patio Door Security Bar Ideal Security SK110W Patio Door Security Bar, Aluminum, White

Adjustable from 25.75? to 47.5? to for easy installation without cutting. Mounts in middle of door, not on bottom. Open your door without bending down to reach the bar. Acts as visual deterrent against burglars who can see it clearly through the door. Swings up and stays out of the way when not in use. Made of advanced lightweight and strong extruded aluminum. Adjustable lets you leave the door partially open while still being secured.

Our Price: $18.99