7/16 x 6-1/8-In. Multi-Purpose Drill Bit Grounding Rods Four 6-3/4-Inch Oval Tines On

Four 6-3/4-Inch Oval Tines On Ferrule Securely Pinned To Handle

To prevent growth of weeds under asphalt driveways

Freud's New Steel Demon™ blades slash through ferrous containing metals quickly and accurately leaving clean

Which Minimizes The Over Aggressiveness Of A True Parabolic Flute

7/16 x 6-1/8-In. Multi-Purpose Drill Bit Grounding Rods Four 6-3/4-Inch Oval Tines On7 16" x 6 1 8" multi purpose drill bit, cobalt and tungsten carbide tip for maximum hardness and resistance to heat and wear, for rotary or percussion drilling, for use with, masonry, concrete, brick, marble, granite, hardened steel, cast metal, fiberglass, plexiglass, ceramic tile, hard wood, soft wood and glass.