1/8" (Approx 3mm) - German Import - Style A - Challenge JO & JF / Lassco / Spinnit Drill Bit - 3.125" Overall Length - .45" Capacity - 1 ea. - CD-2-3 / DBA1-8

These hollow-spindle drill bits are designed specifically for your CHALLENGE JO & JF, LASSCO, or SPINNIT drills.  These bits are a consumable item, and should be either re-sharpened or replaced periodically.