The ESCO 100-ton pro-series lightweight aluminum hydraulic cylinder jack (model 10318) works to lift loads up to 200,000 lbs. This single acting spring-loaded hydraulic cylinder is designed to be compact and lightweight for easy positioning with attached handle. Unit includes shut-off valve which allows the hydraulic pump to be disconnected while the ram is extended. Unit designed with new advanced stop ring and wiper for improved stability and piston rod support which will help to reduce point loading and internal contamination. This heavy-duty hydraulic cylinder is suitable for a wide range of applications including mining, construction, commercial truck, material handling, rail, aviation, shipyards, marine, tire service, OTR, agricultural, industrial and more. This hydraulic tool will work with any 10,000-psi hydraulic pump, not included. Material: Aluminum with Steel Reinforcement.