Century Drill And Tool Hole Saw 4-1/4″ Bi-Metal Shark Tooth Weatherproof Outlet\/Switch Covers Oatey products have earned the

Oatey products have earned the trust of plumbing professionals for over 100 years

A powerful stain blocking formula that blocks most severe stains including water

Professional-grade tools

5-inch open back blade

Century Drill And Tool Hole Saw 4-1/4″ Bi-Metal Shark Tooth Weatherproof Outlet\/Switch Covers Oatey products have earned theProfessional bi metal saws with 8% cobalt high speed steel teeth, electron welded to shatterproof, shock absorbing alloy bodies. Variable pitch tooth pattern cuts clean through stainless steel, brass, aluminum, pipe steel, nail embedded wood, hardwood, plywood, sheet metal, fiberglass and plastic. Suggested speed RPMs are for cutting mild steel. Decrease RPMs by 30% for cast iron. Increase RPMs by 30% for brass and aluminum. Hole saws are shipped