The Wilmar Performance Tool Machinist Vise is a heavy-duty bench vice that’s built to the highest standards. Its 5” wide jaws open to 5”. It features a built-in anvil for a solid flat surface to work metal on. Also, the dual lock downs with 360° swivel make positioning easy and convenient.Features Heavy duty cast iron construction Dual lock downs for easy positioning Replaceable hardened steel jaws Diamond serrated for a secure grip 360 degree swivel base Built in anvil Specifications Jaw Opening: 5" Throat Depth: 2 - 3/8" Dimension:0.9" x 3.8" x 1" Not a Hand Tool Type: Machinist Vise Jaw Width: 5" Weight: 46 lb