Feature●5/64 .0781 DIA. X .0720 SHK. DIA. X 3/4" LOC X 3" OAL -- 4 FLUTE - A52493●Chucking Reamers●Straight Shank - Straight Flute●HSSDescription 5/64.0781 DIA. X .0720 SHK. DIA. X 3/4" LOCX 3" OAL -- 4 FLUTE, Reamers/HSS Straight Shk. Straight Flute