Amazon.com: 8 Size Oval Hole Punch for Leather 2mm-5mm, Boyistar Leather Craft Punch Tools Set Hollow Punching Oval Belt Hole Cutter Tool for Watch Band, Belt, Leather Crafting with Storage Box :
Amazon.com: Hole Punch, NEU MASTER Heavy Duty Leather Hole Puncher for Belts, Watch Bands, Straps, Dog Collars, Saddles, Shoes, Fabric, DIY Home or Craft Projects : Industrial & Scientific