#1 hole-piercing cutter die set allows to cutting easly on multilayer fabric,webbing,leather.
Hole cutting size dimension :0.313" (5/16") #0 (USA & UK )
Metric hole cutter size dimension: 8 mm ( Europe, Middle East, Africa,New Zeland, Australia and other world wide users)
Pre punch feature compatiable with hand press, or pneumatic or electrical machine easy to use for pre punch for hard cutting multilayer