Standard Pack = 1 piece(s). Flute Length = 5 1/4 IN ; Flute Type = Straight Flute ; Large End Diameter = 1.2893 IN ; Material = High Speed Steel ; Overall Length = 8 1/2 IN ; Shank Type = Straight Shank ; Size = 4 MT ; Size Type = Taper Size ; Small End Diameter = 1.0167 IN ; Type = Roughing ;