You can purchase - we have stainless steel screws prepare 50pcs 3/8 inches and 50pcs 5/8 inches, a 50pcs button cap and a 50pcs socket + 2 parts mounting tool. Material: Stainless steel + copper. Superior quality - Made of marine quality stainless steel, these pressure studs are robust and perfect for indoor and outdoor use, with excellent rust resistance in Saltwater applications. This kit includes screws, a brass bushing, a cap and a 2-piece adjustment tool. Large application - These screw caps are used for the canvas, tarpaulins, tents, awnings , sailing veils, garden furniture, clothes, leather and pool covers. Durable - Corrosion resistance, strength, environmental performance, not easy to rust. Quality guarantee - Do not hesitate to contact us if you have any questions. We will give you a satisfactory solution. Description: Made of high quality metal material, it is excellent with punching tools and fixing tools. < P> This box of screw pressure buttons is solid, heavy and good quality. They are robust, durable, anti-rust and corrosion resistant. Features: Color: Silver. - Diameter of the button: 1.5 cm. - Diameter of the socket: 3/8 ". - Material: Stainless steel + copper. - Length of the adjustment tool: 5.8 cm. - Length of screws: 10 mm, 15 mm and 26 mm. - Quantity: 50 screws, 50 sockets and 50 caps, 1 pressure buttons kit.