WK-12AL aluminium alloy material, light weight with strong punch force WK-12AL Hydraulic Punch driverFEATURE:◊ Light weight desgin for portability and fast, easy one person operation◊ Right angle driver head rotates over 180 for maximum flexibility in tight working areas.Technical data:◊Punch force: 120KN◊Stroke:27mm◊Weight:2.3kgsAccessories:Round knockout punches:Type D:22.5,28.3,34.6,43.2,49.6, ...