... 3.Saving up to 30% operating force Name: hydraulic punch driver2 Type: SYK-8B3 Punch range: the thickness below 3.5 mm4 ... Punch force: 10T5 Stroke: 25mm6 Weight: 12kg7 Package: steel case8 Weight ... -8Bthe thickness below 3mm102522,27,34,43,49,6020# Hydaulic punch driver