Standard Pack = 1 piece(s). Flute Length = 8 1/4 IN ; Flute Type = Spiral Flute ; Large End Diameter = 0.878 IN ; Material = High Speed Steel ; Overall Length = 11 1/4 IN ; Shank Type = Straight Shank ; Size = 11 IN ; Size Type = Wire Gage Size ; Small End Diameter = 0.706 IN ;