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. 5/8 cutting diameter, 5/8? cutting length, 1-1/4? shank length, 1-3/4? overall length, 5/16? cutting radius, 1/4? shank. 2 flute design.