GRIT HOLE SAWS WITH ARBOR & PILOT BIT
Tungsten carbide abrasive hole sawsSelf-sharpening particles, so when a particle -chips, a new surface is created in its placeComes with arbor and pilot bit for use with -any variable speed hand drill3/8" shank - 2-1/4" cutting depth - long lifeUse with concrete block, brick, wood, PVC, -ceramic tile, Plexiglass, cultured marble & more