Alfa Tools ML61574 1 3/4 1/4 Hex Shank Forstner Bit Monolock 1/4-inch Hex Power Shank Forstner Bit 1-3/4-inch Diameter, 44.45 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