The SCD430 model is a self-centering machine tool vise developed by Kurt Manufacturing. It has two self-centering vises and movable jaws with an AngLock® design and zero lift. The vise can adjust itself to allow the setting of the center line of the jaw. This adjustment is needed in installing some vises on a single machine, furthermore, the center lines should be matched. In addition, the vise is guaranteed to have a Lifetime Iron Clad Warranty.