acuum Vise, Jaw Face Width 2 3/4 in, Jaw Opening - Maximum 2 3/4 in, Rotation Angle 360 Degrees , Throat Depth 2 3/4 in, Jaw Face Type V-Grooved, Base Type Swivel, Vise Type Multi-Angle Precision Vise, Jaw Pad Material Rubber, Pipe Diameter - Maximum Not Applicable, Base Material Aluminum, Base Mount Type Vacuum, Base Swivel Angle 360 Degrees