Brand new item in original package, Artu #01040 5/16x4-1/2 Mp Drill Bit, UPC #722793010409, 5/16" multipurpose bit. Up to 3 to 4 times stronger than the typical single purpose bit. Cuts through masonry, ceramic tile, concrete, fiberglass, plexiglass, glass, cast-iron, hardened steel, granite, marble, and wood. Negative back grinding enables tip to bore through materials with a filling action. Designed for rotary or percussion drilling. Cobalt and tungsten carbide drill bit tip designed for maximum hardness and resistance to heat (up to 1900 F.) and wear Additional Details ------------------------------ Is autographed: false Is memorabilia: false Package quantity: 1