Machinist’s Vise, Body Tensile Strength 60,000 psi, Spindle Type Enclosed, Jaw Face Width 3 in, Jaw Opening – Maximum 4 3/4 in, Throat Depth 2 5/8 in, Jaw Face Type Serrated, Jaw Pad Material Steel, Includes Pipe Jaw Yes, Includes Rotating Head No, High Visibility No, Base Material Iron, Base Swivel Angle 360 Degrees , Base Tensile Strength 60,000 psi, Base Type Swivel, Body Material Cast Iron