The snap buckle is made of stainless steel and has a longer service life. It is suitable for repairing or replacing inner and outer jackets, suitable for boat covers, tents, tarpaulins , tarps, tarps and others have damaged fasteners. A clear plastic box helps you organize those small items when not in use., Material: The snap lock is made of 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 has a plastic box for easy storage and organization. Easy to use: drill holes in the fabric, screw the screw through the fabric, insert the button, then hammer with the tool adjuster, select the correct snap length and tighten. The sturdy design of the knob can ensure that it can be kept in place for many years. Wide Application: Metal screw knobs are mainly used in tarps, tarps, tents, awnings, outdoor furniture, leather and covers for swimming pools, caravans, furniture and boats. Sufficient quantity: fastening snaps These include 50 stainless steel screws of a length of 15mm, 50 button caps, 50 sleeve buckles and 2 adjustment tools, which can be adjusted to different materials and occasions. Material: copper, stainless steel. < p>Color: silver. Size: reference picture. Installation steps: 1 . Drill holes in the fabric with a drill. 2. Remove the female buckle and insert it into the inner hole of the plate. 3. Install buckle and press with installation tool. 4. Tighten the screws where you want to install them. 5. Exit. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.