This item 3236-00 punches holes in leather thickness up to six ounces and it also can be used on vinyl, plastic and etc. It is made of a pressed steel frame and has a replaceable size 00 1/16 tube.
1/16 Tube Great for leather, vinyl, plastic and etc.
Tandy Leather Spring Punch 3236-00
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Stitching Hole Spring Leather Punch Tube — Tandy Leather, Inc.