IRWIN® Record® V150B Woodcraft Vice is lighter in construction than the standard woodworking vices. This useful portable vice can be attached to most working surfaces by means of a 2.1/4in capacity integral clamp. Provision is also made for the body to be screwed permanently to the bench if required. High-quality cast body fitted with carefully aligned steel slide bars and main screw. Specification Jaw Width: 150mm (6in). Jaw Opening: 115mm (4.1/2in).