Just squeeze the handles and the compound leverage allows you to punch clean, accurate holes in sheet metal up to 14 gauge,7 Different sizes of precision round holes in aluminum, plastic, brass, 16 gauge mild steel,Sizes: 3/32"(2mm), 1/8"(3mm), 5/32"(4mm), 3/16"(4.5mm), 7/32"(5.5mm), 1/4"(6mm), 9/32"(7mm),Dies are made of high-carbon, hardened steel HRC50-52,Heavy-duty punch tool is made of drop-forged, heat treated steel
Just squeeze the handles and the compound leverage allows you to punch clean, accurate holes in sheet metal up to 14 gauge