Sufficient quantity: Fastening latches Includes 50 stainless steel screws with a length of 15 mm, 50 button caps, 50 sleeve buckles and 2 adjustment tools that can be customized for different materials and occasions. High-quality material: The Snaps Fastener is made of high-quality stainless steel and copper, which is strong and durable. The stainless steel surface is not easy to rust. It can be used indoors and outdoors. It features a plastic storage box that makes it easy to store and organize. Easy to use: drill holes in the fabric, twist the screw through the fabric, insert the button, then drive in the adjustment screw, choose the right length of latch and tighten. The sturdy construction of the button ensures that it will stay in place for years to come. Wide application: screw latches metal buttons are mainly used in canvases, tarpaulins, tents, awnings, garden furniture, leather and pool covers, caravans, furniture and boats.