Alfa Tools FB61567 1-5/16" CV Eco Pro Forstner Bit Eco Pro Forstner Bit - Round Shank 1-5/16-inch Diameter, 3/8-inch Shank 3-1/2-inch Overall Length Drills flat bottom and thru holes, Bores clean holes in thin stock, veneers or end grains Quantity - 1 per Pack