Work Supports automatically adjust to the proper height for supporting a workpiece, then lock securely to become fixed rests. Support plunger is held by a precision sliding-fit pressure sleeve that provides incredible accuracy and repeatability. Fluid-advanced Work Supports provide extra loading clearance and are ideal for workpieces that are too light to depress a spring-loaded plunger. The flange-base version shown here has a high load capacity and provides many mounting options. This is also our only double-acting work support, useful in automated systems where the return stroke must be completed within a certain time. Hardened contact bolt furnished.