Clamp-On Vise Base Overall Length 6 15/16 in Number of Mounting Holes 2 Mounting Hole Diameter 1/4 in Material Cast Zinc Attachment Type Bench Clamp Base Mount Overall Width 4 9/16 in Compatible with Manufacturer Model Number 201-PV 300 305 Features (4) Non-Marring Anti-Skid Neoprene Pads Included Throat Depth from Center of Clamping Screw 2.3125 in 2.4 lb Overall Depth 10 1/8 in