Home Products Power Tool Accessories Self Feed Wood Bit 1-1/4″ 7/16″ Shank Fits I.D. Pipe Size 1″ Self Feed Wood Bit 1-1/4″ 7/16″ Shank Fits I.D. Pipe Size 1″ (38320) High carbon steel for maximum strength and durability Inside cutting blade shaves clean smooth holes 7/16-Inch hex shank fits 1/2-Inch or larger chucks Find a Retailer Find on Amazon