Drill a perfectly centered hole in your blank on your lathe using this unique chuck. The chuck includes two 2" jaws that will hold your blanks perfectly centered at the headstock. Mount a drill bit into your tailstock and advance the drill into your blank as it spins on your lathe. Accommondates blanks up 1" Square with no travel limitations of a drill press quill. Jaws are 2" long, Chuck has a 1" x 8 tpi thread, 2-1/2" diameter, weighs only 1.2 lbs, operated by 2 tommy bars (Included).