Metric 10 Punch Set 3mm-20mm

Ten punch sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 16mm & 20mm
Nine I.D. sizes: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm, 12mm, 16mm
Cuts steel, brass, copper, aluminum, rubber and plastic effortlessly up to .025"/.635mm thick
Cuts stainless and blue tempered shim up to .010"/.25mm thick
This set can produce 44 different ID and OD shim combinations
The base and punches are made of a hardened and ground A-2 tool steel