Hardened boron alloy shackle for maximum cut resistance

Ultra hardened edge increases the hardness of the cutting edge to a rockwell hardness of HRC 62 versus HRC 55 for standard blades

Constructed from thick

a one-size-fits-all design (fits all 5 and 8-hole sanders) for fast and precise alignment

consistent carbide wear and reduced vibration to deliver fast

Diablo 1/4 in. - 1/2 in. Impact Step Drill Bit (6 Steps) Hardened boron alloy shackle for1 4 in. 1 2 in. Impact Step Drill Bit (6 Steps) Split Point Tip (132) makes pre drilling obsolete and stays sharper longer resulting in increased speed, maximum durability and up to 6X longer life Automated Precision CNC Grinding Process delivers strict angle tolerances on each step for minimal bit wear and 2X faster cuts in drilling and hole making Exclusive design delivers corded and cordless tool efficiency in high speed mode for up to 75% more