Portable Mini Vise Body Tensile Strength 7 000 psi Spindle Type Uncovered Jaw Face Width 3 3/4 in Jaw Opening - Maximum 4 in Throat Depth 1 in Jaw Face Type V-Grooved Jaw Pad Material Not Applicable Includes Pipe Jaw Yes Pipe Diameter - Maximum Not Applicable Includes Rotating Head No High Visibility No Base Material Nylon Base Mount Type Clamp-On Base Swivel Angle 25 Degrees Base Tensile Strength 7 000 psi Base Type Stationary Body Material Glass Filled Nylon