Complete 301-Piece Kit with Wooden Awl - Includes 300 studs (60 pieces each of 5 sizes: 4/6/8/10/12mm) plus 1 wooden handle awl, offering complete readiness for diverse DIY projects. 5 Pre-Sorted Sizes for Organized Crafting - Features 5 distinct sizes (4mm, 6mm, 8mm, 10mm, 12mm), clearly sorted and packaged, enabling precise selection for different materials and design complexities. Effortless Installation with Included Tool - The dedicated wooden handle awl allows for easy and precise hole creation, ensuring quick and secure stud placement without damaging materials. Versatile for Punk & Crafts - Ideal for adding custom details to punk rock gear, leather jackets, denim vests, bags, belts, shoes, bracelets, and even pet collars. Metal with Secure Prong Design - Made from quality silver-finished metal, each stud features a four-prong design that grips firmly onto leather, fabric, and denim for long-lasting adhesion. Color: As Shown Material: Metal Package Contents: 1*set studs 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.