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. We will give you a satisfactory solution. Description: Made of high quality metal material, it is excellent with punching tools and fixing tools. 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.