Hydraulic Work Supports automatically adjust to the proper height for supporting a workpiece, then lock securely to become fixed rests. The support plunger on these pneumatic work supports is held by a precision sliding-fit pressure sleeve that provides incredible accuracy and repeatability. The hydraulic work support types shown below are available in spring-extended, fluid-advanced, and air-advanced versions. Browse the complete line of hydraulic work supports below, from mini 900-lb. capacity hydraulic work supports to heavy-duty models with capacities of up to 23,000 lbs.