High-quality material: The latch is made of ABS and iron. The iron pin core is not easy to oxidize and has strong corrosion resistance. The thickened plastic is environmentally friendly and durable, with strong stress and not easy to break. Spring: Built-in strong spring, can be used multiple times without reducing elasticity. Press the red button to open it immediately, and then press the spindle core to lock it. Maximum Fixing Force: The size of the latch is as shownDoor Latch - Automatic Door Bolt Aluminum Door Bolt Window Lock Security Door Pull Ring Spring Bounce Latch Lock 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 wardrobes and wooden sheds; The locks can protect you indoors and outdoors. Size: As shown Color: Black Install: Drilling and screw mounting. Package includes 4 x spring latches. become very rich