The WoodRiver Miter Vise is a heavy-duty portable or fixed vise, with a 4-1/4" capacity and 1-3/8"-high clamping surface, which will firmly hold your stock while gluing up or using mechanical fasteners. Features include rugged cast-iron construction, precise 90deg angle, and good strong clamps with acme threaded rods that mean a lifetime of service. Two countersunk mounting holes located in the casting make permanent mounting easy. Features: Firmly holds your stock while gluing up or using mechanical fasteners Use as a portable or fixed vise Precise 90deg angle Strong clamps Holes for permanent mounting to a work surface Specifications: Construction: Cast iron Clamping Capacity: 4-1/4" Clamping Surface Height: 1-3/8" What's Included: (1) WoodRiverMiter Vise - 4-1/4" Notes: Mounting screws not included.