Punch and Die Set Punch Size 5/16 in (4) Sets of Punch and Die Sizes Battery Powered Tool Carrying Case 1 Punch Material Steel Number of Punches 1 Punch Type High Force Hydraulic Round Construction Case Hardened To 45-50 HRC Steel Features Case Hardened to 45 to 50 HRC Operates from a 10 000 psi Pump Source Function Hole Making