TungSen Carbide Bit - 4 Week Backfill 3/32"

The 4 week backfill bit is half the size of a barrel bit and created to trench out 4 weeks worth of growth. This bit is large enough to be used to cut and remove the tip's entire product. Use the four week backfill bit to cut a new smile line and remove remaining white product from nails with no more than four weeks re-growth.