Hercules hcw-2028. 2500 and 3000 PSI Double Acting Cylinders (4 in. Bore= 3000 PSI, 5 in. Bore= 2500 PSI) Skived, honed tubing Heady duty welded construction. Chromed, ground and polished piston rod will operate at full pressure through 16 inch stroke. Cast iron piston, cast steel butt, gland and clevis. Loaded u-seal and urethane wiper gland, u-seal piston. Threaded gland. Pins and clips included. Stroke control may be installed on 8 inch strokes