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. Thickened plastic is environmentally friendly and durable, with strong stress and not easy to break. Spring-loaded: Built-in strong spring, can be used for many times without reducing elasticity. Press the red button to open it immediately, then press the pin core to lock it. Maximum fixing force: the door closer has a large base, four fixing holes can effectively fix doors and windows, giving you 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. Material: ABS plastic + iron Color: black Size: 37mm*36mm Scope of application: wooden doors, wooden windows, cabinet doors, wardrobe doors, shoe cabinet doors, cots, etc. Note: Due to Due to the difference between light and screen settings, the color of the product may be slightly different from the picture. As manual measurement is different, please allow slight size difference. Shipping Quantity: 4 piece