SWIVEL BASE TO SUIT GZ35402 5IN / 125MM BENCH VICE ** Vice Shown NOT Included ** Swivel base allows rotation through 360º with firm locking at any position. The swivel base allows the vice to be used in confined spaces or where the angle of the vice has to be adjusted to accept work of varying lengths. The swivel base can be easily removed and the vice converted back to a regular fixed base vice.