Specification: Item: Canvas Snap Kit Color: Silver Size: 15mm Tool quantity: 3pcs Snap quantity: 350pcs Material: Stainless steel Features: 1. The stainless steel snaps are durable and sturdy, bright and smooth surface 2. These snaps also can be attached to wood, glass, plastic fibers, etc 3. The boat cover snaps could maintain good performance over a long period of time in brine 4. Studs are available for clamping onto screw or canvas studs for mounting on hard surfaces 5. Also can be used for leather craft, clothing, handbags, leather straps, DIY Craft etc Package included: 100 x Caps 100 x Sockets 50 x Studs 50 x Posts 25 x 10mm*10mm Screws 25 x 15mm*10mm Screws 1 x Hole Punch 2 x Setting Tools 1 x transparent plastic box