Use of product- Unlock your creative potential with our 9-Piece Leather Hole Punch Cutter Set, the perfect tool for leatherworkers, crafters, and DIY enthusiasts. Designed for precision and versatility, this set allows you to create perfect holes for a variety of projects. Easy to Use- The round hollow hole punching tool is easy to operate, just tap the end of the tool with a hammer. The notch is sharp and the hole punched is round. Various Sizes- This set of anti-skid punch sizes covers all commonly used sizes, which are 3?4?5?6?7?8?9?10?12mm. Use for - Paper gasket hole punch with milled cleaning hole and polished barrel for punching holes on handbags, pliable plastics, clothing, vinyl, cardboard, webbing, jacket or poster-board etc. Round hollow punch set easy to use by placing gasket hole punch over area that needs a hole and hit back end with a hammer or mallet, making distinctive artistic and aesthetics effects on leather with different patterns punchers.