Singapore

High security lock sliding window tool 
Instantly lock sliding windows and doors - no drilling or tools needed 
Place on window or door track & tighten thumb screw; lock shut or allow partial opening 
Prevents window from being forced or pried open from outside; easy removal and reusable 
Fits most vertical or horizontal sliding windows & many sliding doors to 2.5-4cm(Approx 1 inch-1.57 inch) track-rim width(Adjustable) 
colour: Black + picture color
Material: Iron+Plastic 
Size: about 6 x 3.5 x3cm
Package Contents: 
1 x Sliding Window Safety Lock
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.