SDS Plus 2 Cutter Drill Bits have a strong tapered core to help resist flute breaks, especially when drilling deep holes. For optimal drilling speeds, the two-stage flute design features a variable helix pattern that quickly moves debris away from the contact zone. Plus, the two sharp, carbide-cutting edges deliver clean, round holes for secure anchor installation. These bits are made in Germany and are GUARANTEED TOUGH so tough that we are offering a NO BREAK GUARANTEE. If you have our bits, we have your back.Features Clean, round holes: two sharp cutting edges for true holes Strong core: tapered core for bit strength and maximum durability, especially when drilling deep holes No break guarantee: if your bit fails for any reason while the wear mark is still visible, we'll replace it (excludes: DW5400, DW5401, DW5401B25) Aggressive material removal: two stage flute design with variable helix pattern allows for efficient debris removal DEWALT carbide tip design maximizes carbide surface contact for longer bit life Wear mark indicator: for accurate diameter of holes Disclaimer*For more details visit www.DEWALT.com/warrantyIncludes(1) SDS Plus Cutter Drill BitSpecifications Warranty: MWC Length: 7.380 in Height: 0.630 in Country of Origin: Germany Battery Included: No Case Type: N/A (no case) Self Feeding: No Product Type: DRILL BIT SET Shank Type: SDS-Plus Product Primary Material: Carbide Recommended Safety Equipment: Safety glasses Width: 2.810 in Chuck Type: SDS Weight: 0.450 lbs Bit Type: Percussion Bit Size: 3/16-by-6-1/2 inch, 1/4-by-4 inch, 1/4-by-6 inch, 3/8-by-6 inch, and 1/2-by-6 inch (diameter x length)