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