Made of durable and solid steel, long-lasting and wear-resistant. Suitable for end processing of wallet,card case,belt ,watchband ,handbag, etc.hole punching and other leather craft. Designed by Half-round shape, fits for 1/2 circle leather edge cut, durable and easy to use. 7pcs Leather Punch Tool Set, diameter size approx 10mm,15mm,20mm,25mm,30mm,35mm,40mm. The edge of the cutter punch very sharp and clean, the handle very strong, easy to use.