Description:

Dimension: 100 x 63 x 21mm / 4" x 2.5" x 0.83"(L*W*H); Mount Hole Diameter: 4mm / 0.16". Made of metal, is sturdy and has long service time.. Allow who in the room to open about 2 inch gap to view the outside situation or ventilate. Avoiding someone entering the room suddenly and disturbing, give guests and residents more privacy and security.. Commonly used in home, hotel, apartment, office and other places entry doors.. The swing bar lock is suitable for the drop between the door and door frame within 10mm/0.4inch.