Machine Vise Precision 16 in x 4 in Base Jaw Width (In.) 3 63/64 in Jaw Opening (In.) 3 in Throat Depth (In.) 1/4 in Overall Length (In.) 16 Overall Height (In.) 3-55/64 Clamping Force (Lb.) 0 to 6000 Bed/Base Hardened And Ground Double Station with Hard Jaw