Irwin Bi-Metal Hole Saws 5" All-Purpose Cleaners Black-filled gradations stand out against

Black-filled gradations stand out against a matte finish for easy reading

The flex head tilts up to 180° at any interval

For individual mounds: Sprinkle directly onto and around the mound with a disposable spoon or measuring cup

Improves whole room heating

Pliable material won't crack or break

Irwin Bi-Metal Hole Saws 5" All-Purpose Cleaners Black-filled gradations stand out againstBi Metal Hole Saws Features: Variable depth gullets provide more efficient chip clearance 4 6 Variable pitch teeth for reduced noise and improved performance Electron beam weld for stronger, longer lasting teeth Bi metal construction for toughness and long life