Hydraulic punch tool kit features 1pc 15-ton pump, 2pcs draw studs, 2pcs piston shaft, 2pcs spacers and 10 sets of dies for drilling different sizes holes on metal Hydraulic pump produces 15T pressure for providing punching accuracy and fast punching speed 40Cr steel dies and steel pump body for ensuring strength and durability Rotatable 'on/off' knob for quick releasing pressure after drilling holes Metal case with handle and double metal locks for convenient and safe storage