DEWALT 12 1 2 in Disposable, Reversible Planer Knives Vented Drain Tiles Specification Details Diameter 3 8 inch Kitchen Carts Specification Details Diameter 3 8 inch Length 4 1 2 inch Material Steel Finish Heat Treated Zinc Grade Grade 5 Head Type Hex head with washer face Thread Type Coarse Threading Partially threaded along shank Number in Package 50 pack Packaging Type Boxed Use For use with a nut or tapped hole 75 Mounting Type Wall mount Fixture Finish N A Mounting Hardware Included Yes Warranty Limited lifetime Collection Name Safety Grab Bar Toilet Paper Holder Included No Total Length (Inches) 35 Sub Brand N A Series Name N A Type Planer knives For Use with Grinders No For Use with Miter Saws No For Use with Routers No For Use with Table Saws No For Use with Tile Saws No For Use with Workbenches No Wheeled N A Adjustable No Height (Inches) 16 double edged and reversible for twice the cutting life Can be used with any DeWALT planer Machined locator holes help users align knives on cutter head during knife change