DeWalt DWA1822 Hole Saw, 1-3/8" Knee Pads Required to guard against the

Required to guard against the hazard of blown-in or blanket insulation filling any framed opening or contacting the chimney and possible storage of combustibles against the chimney

Corrosion resistant flush ball

and enameled surfaces

Fits roof pitches 0 to 6/12

DeWalt DWA1822 Hole Saw, 1-3/8" Knee Pads Required to guard against theHighlights: Size : 1 3 8" Max speed : 250 RPM Improved Bi Metal material extends life and speed in all applications Double tooth design strengthens each tooth for longer life Deep cut style hole saws will cut 2x material in 1 pass Increased high speed steel height improves hole saw durability WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov