Jacobs: J117 Rubber-flex Tap Chuck Collet Designed for use with the Jacobs Tap Chucks & are unique in providing at least twice the gripping power of a conventional split steel collet. Features include: Parallel jaw inserts exert uniform & accurate gripping over the collet length. Durable one-piece construction resists heat, coolants & cutting compounds. Steel jaw inserts precision ground & hardened to ensure maximum gripping accuracy & wear resistance. *J116 & J117 may be used as replacements for J112, J113, J114. MPN: 0642889310704 EAN: 0642889310704 J117 Rubber-flex Tap Chuck Collet Attributes: Series: J117