4pcs Door Latch Automatic Door Lock Exterior Door Lock Window Latches Spring Lock Bolts Black Aluminum Band Screws

The set includes: 4 pieces door lock with 16 pieces fixing screws. Material: high quality aluminum alloy material, thickened base, anti-rust and anti-breakage, safe and reliable . Size: The total size of the automatic door lock is about 57mm x 43.7mm, color is black; the screw size is 16 x 4 mm. Features: Simple installation, select the installation location, drill holes and tighten the screws to complete; Built-in automatic spring, stretchable and smoothly, just pull it out, loosen it and automatically rebound without hurting your hands. Wide range of uses: widely used in various doors and windows, boxes boxes, storage cabinets, etc., to improve your safety.