14-Jacobs-drill-chuck-for-tailstock
This Jacobs chuck holds drills from 3/32" up to 1/4" in size. Included is a threaded arbor for the tailstock (#0 Morse) and chuck key. It can be used in both the lathe and mill for holding drills, reamers, etc. (It is not intended to hold end mills. For end mills you should use either collets or an end mill holder.) For use with Sherline machine tools.