Snap Size: The diameter of the cover is approximately 12mm/0.47 inches. NOTE: These snaps are suitable for thick to medium fabrics (2-3mm), not for very thin fabrics. RELIABLE QUALITY: Our snaps are made of high-quality brass with a high-level electroplating process to ensure they are bright, tough, durable, and rust-proof. Suitable for beginners or experienced crafters. Contains: 1 manual drilling pliers, 4 fixing tools, 1 hammer, making installation easier and faster. Wide range of uses: This heavy-duty snap cap is ideal for various DIY crafts or garment projects. Can be applied to leather crafts, handbags, clothing, belts, jackets, jeans, backpacks, women's bags, shoes, and other sewing projects. Note: Avoid using excessive force when tapping to prevent deformation. Color: As shown in photo Material: Copper Package Contents: 120 x buttons 1 x manual punch pliers 4 x fixing tools 1 x rubber hammer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. The measurement allowed error is +/- 1-3cm.