Hydraulic double acting cylinder. Cast iron psiton and rod gland, hones steel tubing. Chromed, ground and polished rod. Pin eye mounting on both ends. High quality seals. threaded gland retainer. 3" bore with 30" stroke. 1 1/2" diameter rod. Pin center dimension retracted is 38.00", pin center extended dimension is 68.00". 1/2" NPT ports. 3,000 PSI working pressure. Part number HMW3030