High-quality material: The latch is made of ABS and iron. The iron pin core is not easy to rust and has strong corrosion resistance. The thickened plastic is environmentally friendly and durable, with strong tension and not easy to break. With spring: Built-in strong spring, can be used multiple times without reducing elasticity. Press the red button to open it immediately, then press the pin core to lock it. Maximum fixing force: The latch size is as shown Door Latch - Automatic Door Lock Aluminum Door Bolt Lock Window Door Security Spring Trigger Ring Spring Rebound Latch Latch with Screws (Black), The door closer has a large base, four fixing holes can effectively fix doors and windows, providing you with security and privacy. Application: These sliding bolt locks are suitable for various wooden door frames, such as wooden doors, wooden windows, kitchen cabinets, shoe cabinets, wooden cabinets and wooden sheds; the locks can protect you indoors and outdoors. Size: as shown Color: Black Installation: drilling and screw mounting. The package includes 4 spring-loaded latches. Getveryrich