Mag-Bit 909 Kit 3 | 1-1/2" , 2-1/4" & 3-1/4" Countershark | 3 Pieces

• Makes more holes in Glue Lam Joists and other engineered wood products than auger bits.• High Speed Steel will drill through steel (use Mag-Lube cutting fluid).• Packed in a reusable storage tube Designed to work with MAG-BIT’s Countershark counter-bore tool, these 9" bits have a flat on one side of the shaft to accommodate the set screw on the Countershark. • Counter-bore for use in all types of wood.• Use with Mag-Bit Shark bit or MAG303DLX, 357DLX, 735, 715 and 710 auger bits 5/8" diameter or larger to drill clearance holes for bolts and countersink thehead and washer in one action. • Securely attaches to bit with a heavy duty set screw.• Six super sharp teeth on the outer diameter cut a clean hole and leave a smooth finish at the bottom of the workpiece.• Packaged in a clear plastic clamshell