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Prime Line U 10679 Sliding Patio Door Lock
Prime-Line U 10679 Patio Door Lock, Aluminum, Aluminum, 3/16, 1/8, 1/4 in Thick Door
Our Price: $2.79

Double-thumbscrew for sliding doors and windows. Rubber insert helps prevent marring on window frame. Includes one lock. more info
National Hardware V813 Patio Door Security Pin
National Hardware N183-640 Patio Door Security Pin, Steel, Nickel
Our Price: $4.59

National Hardware Patio Door Security Pin, Steel, Nickel more info
Prime Line U 9866 Adjustable Spring Loaded Sliding Door Lock
Prime-Line U 9866 Door Slide Bolt Lock, Aluminum, Aluminum, 1-3/8 to 1-3/4 in Thick Door
Our Price: $4.99

Die-cast painted housing with case-hardened steel bolt. Securely locks door in closed or ventilating position. 2-1/4 in L x 1-1/16 in W. Prevents sliding or lifting of door. Bolt 5/8 in. Includes 1 lock and 2 installation screws. Prefix U on factory number denotes new Prime-Line packaging. more info
Prime Line U-9858 Door Pin Lock
Prime-Line U 9858 Patio Door Lock, Steel, Chrome, 1-3/8 to 1-3/4 in Thick Door
Our Price: $5.99

Securely locks patio door in closed or ventilating position by preventing sliding and lifting. 2-3/8 in L x 3/16 in 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. more info
National Hardware V800 Sliding Door Latch
National Hardware N238-972 Sliding Door Latch, Steel, Nickel
Our Price: $8.99

National Hardware Sliding Door Latch, Steel, Nickel, Dimensions: 1-1/2 in L, Suitable for: Wood or Metal Doors more info
LATCH SLIDING DOOR BRS 2-1/2IN
National Hardware N239-004 Sliding Door Latch, Steel, Brass
Our Price: $11.99

Designed to secure sliding doors from the inside. Steel bar for security. Features long extension bar to reach over moldings, trims and more. Flush mount or corner applications. Visual-pack. more info
Prime Line U 9920 Adjustable Telescopic Security Bar Lock
Prime-Line U 9920 Security Bar Lock, Aluminum, Anodized Aluminum, 3/16, 1/8, 1/4 in Thick Door
Our Price: $22.99

Telescopic aluminum bar accommodates 28 in to 48 in wide inside and outside sliding patio doors. No cutting required. Includes 1 bar, locking saddle and installation screws. more info
Prime Line U 9921 Telescopic Security Bar Lock
Prime-Line U 9921 Security Bar Lock, Aluminum, White, 3/16, 1/8, 1/4 in Thick Door
Our Price: $22.99

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