General description These 7pcs Half Round U Shaped Punch Cutter Set is designed for leather craft, made from sturdy and strong steel that is both durable and wear-resistant. The half-round punches are ideal for creating precise holes in various leather items. Technical specifications Material: Durable steel Sizes: 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm Usage Suitable for finishing wallets, card cases, belts, bracelets, handbags, and more. Easy to use for creating half-round holes in leather.