Ever have the ferrule break off your cue? This portable tenoning tool from Tweeten is just what you need to re-turn the tenon. The regular chuck accommodates cues from 11mm to 15mm. The length of the tenon can be regulated to 1/2" or 3/4" using an adjustable screw on the side cutter. This machine does not trim the ferrule. Ideal for home, business or traveling cue repair.