Tough-Cut™ octagonal boron-carbide shackle is 50% harder than hardened stee

2-1/2" SHACKLE

3-Flat Shank eliminates spinning in drill chucks

80 Grit (Coarse) ROS Hook & Lock Discs (50-Pack)

2-3/4in (70mm) Wide stainless steel body construction for maximum weather resistance

2-1/2 in. Steel Demon Carbide Teeth Hole Cutter Tough-Cut™ octagonal boron-carbide shackle is2 1 2 in. Steel Demon Carbide Teeth Hole Cutter Up to 50x longer cutter life in metal cutting versus standard bi metal hole saws Depth Stop Collar for controlled and efficient hole drilling Plug Eject Cobalt Pilot Bit prevents overfeeding and allows for easy removal of plugs