Press stud set: the press studs set includes 300 pieces, a fixing tool and a round base. The set comes in a clear storage box and is easy to store. High-quality material: push button set is made of high quality stainless steel. Push button is rust and corrosion resistant, lightweight, high strength and not easy to deform. Easy to Use The Snap Fastener Punch Tool is a professional tool that serves to drill precise holes in the target products. Then the press studs are fastened on both sides using hammering and pressure. Press studs size: the clothing snaps button with a diameter of 15 mm (0.59 inches). This meets most clothing requirements. Please note that the clasp is not suitable for leather and fabrics with a thickness of over 4 mm. Wide applications: metal snaps are widely used in many applications, including DIY, hats, clothes, canvas, tarpaulin, tents, awnings and leather, bags, shoes, crafts and much more.