Built in heavy spring, tilt designs latches makes automatic door closing easier It is very suitable for doors, boxes, yards, fences, cabinet doors, sheds, boxes, closets, dog kennels, chicken cages and window Make of aluminum alloy, which is very and not easy to break Slide bolt latches enhanced security features to deters intruders and protect your property Smooth thickened edges and panels will not harm your hands during installation, Manufacturer: Oxxggkao