Stainless Steel MaterialIt is made of high quality 201 stainless steel, after several polishing treatments, the paint will not fall off in the event of a collision, waterproof, rustproof and corrosion resistant, and it is durable. Wide Range of ApplicationsIt is very suitable for installation in various kinds of doors such as bedrooms, bathrooms, cabinets, kitchens, offices, schools, hotels, etc. It is suitable for most swingbolt locks to give you better protection. Easy InstallationFirst determine the installation position, mark the punching position, then drill the hole, and finally use a screwdriver to screw the screw into the screw hole and tighten it. Rounded-edge designThe corners are processed with rounded edges, which will not hurt your hands during use, smooth and burr-free, which makes it safer and more worry-free. Standard SizeLength and width is 44x19mm/1.73x0.75in, thickness: 1.3mm/0.051in, you can refer to the image, which is more intuitive and clear.