With a concentricity of ± 0.03 mm, a circular runout of ± 0.01 mm and a repeat clamping precision of ± 0.01 mm, the new precision three-jaw chuck from norelem offers excellent values. They are available in four sizes with diameters of 50 mm, 64 mm, 104 mm and 160 mm. The compact design and the use of aluminium for the bodies of the 104 mm and 160 mm sizes make them light and ergonomic. The bodies of the 50 mm and 64 mm chucks are made from steel. The jaws of all sizes are made from hardened steel.