Strong basic form made out of Aluminium Integral special magnets hold the protective jaws securely on the vice Despite extremely high magnetic force, the magnetism does not penetrate the clamping faces Width of jaws 135 mm Type "P" with prism One horizontal prism and three different vertical prisms facilitate clamping of round or oval workpieces The 90° cutout in the upper part of the jaw blocks facilitate problem free and horizontal clamping of flat material