3/8" (Approx 9.5mm) - German Import - Style A - Challenge JO & JF / Lassco / Spinnit Drill Bit - 3.125" Overall Length - 2" Capacity - 1 ea. - 2080 / CHA-375.350 / CD-6 / DBA3-8

These premium 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.