Forstner Bit Depth Stop Kit Designed for forstner bit or any style bit up to 2-1/8" in diameter Includes 3 different bushings to fit shank diameters of 3/8", 7/16" and 9/16" Depth stop has built in bearing keeping stop motionless while forstner bit spins Stop rests on the stock without marking or burning the wood. FORSTNER BIT AND WOOD NOT INCLUDED