Premium micro-grain carbide tips provide a stronger sharper cutting edge reducing wear for a longer tool life. Heat treated fully hardened bodies prevent breakage or bending under stress. Anti-kickback design for maximum safety during initial starting cuts. 3/8 cutting diameter, 3/8? cutting length, 1-3/16? shank length, 1-9/16? overall length, 3/16? cutting radius, 1/4? shank. 2 flute design.