#11, Taper Pin Reamers, Straight Flute, HSS SIZE 11 3/4 SHK. DIA. X 8-1/4 LOC X OAL - .7060 SMALL END DIA. X 0.878 LARGE END DIA. - 8 FLUTE - A53690 Taper Pin Reamers Straight Flute HSS