4" Precision Self Centering Vise

Allows for accurate centering of jobs automatically; especially useful where the same operation is to be performed on workpieces of varying sizes Special design allows accurate setup of jobs with only a single machine setting; Centric clamping is especially useful in milling, slots and groove cutting of all sizes Manufactured from close grained hi-tensile seasoned cast iron with fully hardened steel jaws; vise has opposite threads for quick and accurate centering Rotation of the crank handle automatically adjusts workpiece to the center Fully graduated 360° Swivel base allows the base to be set at any angle along the vertical axis.