Jack screws support work pieces. The jack screws create mechanical advantage by translating rotational motion into linear motion via a screw. Oftentimes a work piece may be held with a vise for example, but due to the extended nature of the part protrudes beyond the vise jaws, support is needed. create a scenario where the work piece is unsupported, causing unwanted momentum, distortion, and if the extended are is to be machined - the dimensional success of the operations can be impacted.