Punch Driver 
1. Firsr drill 3/8’’9.6mm)hole to fit 1/2’’up and down knife die on R-1.Then put on ratchet moveable spanner .Now begin to operate. 
2. Steel plate thickness 3.2mm.Stainless steel 2.0mm or below . 
3. New product and energy saving .The scrap is two pieces of steel. 
4. Hydraulic pump and cylinder unnecessary for cost saving . 
Hole dia.:1.2’’(21.8mm),3/4’’(27.6mm) 
1’’(34.1mm),11/4’’(42.7mm) 
Size: 11/2’’(48.7mm),2’’(60.5mm)