Combination Vise, Body Tensile Strength 30,000 psi, Spindle Type Covered, Jaw Face Width 4 1/2 in, Jaw Opening - Maximum 4 in, Throat Depth 2 1/2 in, Jaw Face Type Serrated, Includes Pipe Jaw Yes, Pipe Diameter - Maximum 1 1/2 in, High Visibility No, Base Material Cast Iron, Base Swivel Angle 360 Degrees , Base Type Swivel, Jaw Attachment Type Fixed, Replaceable, Jaw Material Iron, Material Process Cast, Mounting Hole Diameter 15/32 in, Number of Lock Down Bolts 1, Number of Mounting Holes 4