VICMARC Pen Blank Chuck
 
Drill a perfectly centred hole in your pen blank using this unique lathe chuck. This chuck includes two jaws that will hold your blanks perfectly centred at the headstock. Mount a drill chuck with your drill bit into your tailstock and advance the drill into your blank as it spins on your lathe. Advantages of this system:
 
Instant Set up and perfect centring
No "travel" limitations of a drill press quill
Will open from 8 - 25mm across flats. 
Comes with 1 x 8mm Tommy Bar
 
Direct Thread (screws directly to the lathe)