GZ26396 – GROZ 14PC HPL HOLLOW & ARCH HOLE PUNCH SET These punches are used for punching round holes in gasket material leather canvas cardboard plastic & other soft materials. Special design of the cutting edge prevents jamming of material inside the punch. Cutting edge is induction hardened for extended working life. Set Contents: 6mm Hollow 8mm Hollow 10mm Hollow 11mm Hollow 13mm Hollow 14mm Hollow 16mm Hollow 19mm Hollow 22mm Hollow 25mm Hollow 30mm Arch 32mm Arch 35mm Arch 38mm Arch Packed in wooden box.