The Faithfull Magnetic Plastic Vice Jaws are designed to fit Faithfull and most other mechanics bench vices. They provide excellent grip without damaging soft or polished surfaces. Grooves allow round stock and tubes to be held at 45, 90 and 180 degrees. The inset magnets adhere to the vice's metal jaws making them simple to add or remove. Supplied in pairs. Ref: UTTK11503