M3 PF series right angle stylus holder. Holds one unthreaded stylus with 1.5 mm diameter stem. 3.0 mm diameter stainless steel x 25.0 mm long, with 5.0 mm diameter base. Fits M3 conical receiver, Q-Mark product number RAP-5PF-CE. Provides unlimited axial adjustment. Includes hex wrench (shown) for tightening. Weight is 2.34 grams.