Professional-grade hole saw featuring self-sharpening tungsten carbide grit particles. When a particle chips, a new cutting surface is created, extending the life of the tool well beyond conventional hole saws.

• 4" cutting diameter
• Includes arbor and pilot bit
• 3/8" shank fits any variable speed hand drill
• 2-1/4" cutting depth for thick materials
• Cuts ceramic tile, concrete block, brick, wood, PVC, plexiglass, and cultured marble
• Not recommended for metal

Tip: Use at low speed with light pressure for best results on tile and masonry.