Ultra precision due to greatly advanced manufactuing technology and inspection system. Convenient hand locking, self-tightening. Run-out guarenteed to be withing .0016" at one inch from face to chucks. All working parts ground & hardened to precise specifications for lasting accuracy and life. Special precision work as well as for heavy duty drilling.
WARNING: This Product Can Expose You To Materials And/Or Chemicals Which Are Known To The State Of California To Cause Cancer And/Or Reproductive Harm.