5-35mm Hollow Punch Set DIY Wad Hole Punching Kit Hollow Leather Gasket Paper UK. This sharp hollow punch tool kit can help you make clean holes during leather working. Punch Size: 3/16"(5mm), 1/4"(6mm), 5/16"(8mm), 3/8"(10mm), 7/16"(11mm), 1/2"(13mm), 5/8"(16mm), 3/4"(19mm), 7/8"(22mm), 1"(25mm), 1-1/8"(28mm), 1-1/4"(32mm), 1-3/8"(35mm).
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