Features: This 15 piece leather punching set offer multiple sizes (3mm to 25mm) for versatile belt making, leather crafting, and diyer projects, ensuring precise holes in various materials with professional durability. Crafted from rust resistant high carbon steel, each punching maintains sharpened edges through repeated use while the ergonomic handles provide comfortable pressure controls during punching operations. Ideal for leatherworkers, hobbyists creating handmade accessories, and professional needing reliabled tools for belts, bags, or upholstery repairs in workshops or home studios. Effortlessly punching clean holes through leather straps, plastic sheets, or cardboard packaging materials, perfect for customizing dog collars, crafting wallets, or repairing shoes with millimeter accuracy. The compact storage case organizes all 15 punches securely, enabling quick access during projects while protecting blade from damage – a must have organizers for mobile and organized workspaces. Specifications: Component: high carbon steel Applicable Component: leather, cardboard, plastic, soft metal punching size: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 14mm, 16mm, 19mm, 22mm, 25mm Package Includes: 15Pcs Leather punching Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.