Set of 30 pcs. Assorted Mixed 1mm 2mm 3mm 10 ea. Diamond Drill Bits - 1/8 shank. Fits drills, flex shafts and dremels.. Used by Jewelry Designers for drilling clean holes. Drills Beach Sea Glass, Sea Shells, Rocks, Marbles, etc.. Must be used with care submerged in a little pool of water.
