PSI Woodworking PKMFSM Keyless Pen Mandrel System 2MT

Keyless feature allows you to instantly hand loosen & tighten the collet that secures the 7mm mandrel shaft (.244" OD), Quickly slide & lock the shaft to customize for each spindle length, System also includes (5) 7mm bushings, (1) knurled nut, (1) 7mm Brad point drill bit, and (2) tightening bars to use if needed, Compatible with PSI Woodworking mandrel savers (Pkmsts1 & Pkmsts2), Replacement shafts (XPKM-ELC2)