1/4 2 flute , HSS Square Single End, Center Cut, 3/8 Shank, 1-1/4 LOC x 3-1/8 OAL
This is a 1/4 inch 2 flute HSS square single end, center cut drill bit with a 3/8 inch shank, measuring 1-1/4 inches long overall and 3-1/8 inches in length along the cutting edge, designed for aluminum finishing.