Jacobs 33365 JK 130 J2 Industrial Grade Keyless Chuck 1.0 to 13.0 Millimeter Capacity with No.2 Jacobs Taper Mount,Jacobs Chuck,33365" /> Automatic fitting for efficient, fast change of tools Machine fitting via DINO238 of Jacobs tapers and UNF thread fittings Self-tightening feature for maximum gripping power Wide range capacity Each chuck 100-Percent inspected for performance and precision