Spring type lock: Built in heavy spring, tilt design lock makes automatic door closing easier. Release your hand lock. Just push the door and it lock. It is very suitable for doors, boxes, yards, fences, cabinet doors, sheds, boxes, closets, dog kennels, chicken cages and . Safe and smooth: smooth thickened edges and panels not harm your hands during installation. The bolt makes your furniture more convenient and practical. Just pull the ring down and open the door. High quality material: It is made of aluminum alloy, which is very solid and not easy to break. quality and service life. Easy installation: easy DIY installation., Manufacturer: Littimoon