Beisen Aluminum Double Thumb Screw Turn Patio Sliding Door and Window Lock

This double thumb screw from Beisen Hardware is constructed from heavy-duty extruded aluminum, It utilizes a double thumbscrew design for added gripping power to mount onto your window track, or sliding door, and help securely lock your sliding windows or sliding doors in a closed or ventilating position. This lock requires no tools for installation. Use these to prevent a window or sliding door from being forced open from the outside etc... Easy to attach - just place the slider lock on the upper or lower track of any sliding window or door. (Use 2 per window or door: one on top, one on the bottom for best efficiency). Inner vinyl lining prevents scratching damage. These slider locks are perfect for patio doors, sliding glass doors, sliding windows, retractable screen doors, or sliding storm windows. 2 inch wide.

• These slider locks are perfect for patio doors, sliding glass doors, sliding windows etc.
• Heavy-duty aluminum construction, Inner vinyl lining prevents scratching damage
• Additional gripping power securely locks window in closed or ventilating position
• Utilizes double thumbscrews to mount on window or sliding door track
• Easy installation with no tools required