CH-70 CH-70 Punching the different kind of metal sheet up to 12mmCH-70 Hydraulic punching tool for punching hole on 10mm below metal plate.Max thickness of sheet: 12mmPunching force:35KNDepth of throat:110mmWeight:approx.35kgsACCESSORIES:3/8"(ø10.5mm),1/2"(ø13.8mm),5/8"(ø17mm),3/4"(ø20.5mm)NOTE: It used for Cu/Al plate Hydraulic hole punching tools CH-70