150mm Prism / Vee Pipe Magnetic Jawscompatible with any 6" Vice including the Sykes-Pickavant Unbreakable Vice.Designed for multipurpose application, offering efficient clamping and protection of the workpiece at the same time.Designed for; horizontal clamping of flat objects, horizontal clamping of round objects and vertical clamping of round objects.For thread cutting it is recommended only to use one prism jaw to avoid destroying the jaw. The vee-groove will align the workpiece and the serrations of the opposite vice jaw will keep it from turning. Equipped with an extremely powerful magnetic strip which easily attaches the jaw to the vice and ensures a rapid setup. The magnetic strip is only magnetic against the vice jaws and will not attract debris or fillings to the clamping surface nor magnetize the clamped parts. Features an extremely powerful neodymium magnetic strip. Holding force for a 100mm jaw is 3.5kg equivalent to 34N, for instance. These Magnetic Jaws can also be used in