1-Set Leather Round Hollow Stitching Hole Punch Cutter Tool 4/5/6mm Spacing

It's suitable for use with leather or leather products such as belts, watch bands, bags, boots, and more. Leather Round Hole Punching Tool 3pcs Prong Punch Tool Set with 2/4/6 Prong Options for Precise Round Hole Punching DIY Leather Craft.

eBay