High quality tungsten carbide tips provide superior wear resistance and sharp edges. Double flute allows for a better finish in harder materials, while carbide tip incorporates the wear resistance of carbide and the toughness of a steel body. Heat treated shanks and bodies provide added durability. 1/2 in. outer diameter1 in. cutting length1/4 in. shank diameter2-3/16 in. overall length1/4 in. shank1/2 in. outer diameter, 1 in. cutting length, 2-3/16 in. overall length, 2 flutes