Artu Usa 01070 Tungsten Carbide & Cobalt Tip Multi-Purpose Drill Bit 1/2" Mailbox / Post Combo It can be used on

It can be used on both asphalt and concrete and is designed to be used year-round

Contains no benzene or chlorinated solvents

Solidifies up to 3 gallons in a matter of minutes

hot knife cutting of styrofoam and plastics

Uses two clear medium base bulbs

Artu Usa 01070 Tungsten Carbide & Cobalt Tip Multi-Purpose Drill Bit 1/2" Mailbox / Post Combo It can be used on"ARTU" MULTI PURPOSE DRILL BIT 1 2" For rotary or percussion drilling For masonry, ceramic tile, concrete, brick, fiberglass, Plexiglas, glass, cast iron, hardened steel, granite, marble & wood Tungsten carbide & cobalt tip Chrome vanadium steel shank Withstands heat up to 1900 deg. F Resharpen on a high quality grinding wheel Carded.