Machine Vise Milling General Purpose Swivel Base Jaw Width (In.) 6 in Jaw Opening (In.) 6 in Throat Depth (In.) 2 13/64 in Overall Length (In.) 21-39/64 Overall Height (In.) 6-13/32 Jaw Deflection 0.002 in At 4000 lb Jaw Plate Smooth Bed/Base 0.002 in Vise Can Be Used Without Base