Make sure this fitsby entering your model number. Includes 60102 Punch, 60103 Die, 60115 Draw Studs, 60120 BB Drive Nuts and 05244 Counter Nut Use with Greenlee hydraulic, ratchet or manual punch drivers Will punch keyway holes in metal electrical boxes and power panels Can be used to punch keyway hole in mild steel up to 16 GA (1.500 MM) thick Keyway Hole Size Produced is 0.481 IN X 0.055 IN X 0.030 IN (12.200 MM X 1.400 MM X 0.800 MM)