Internal Hex, Internal Torx, External Hex
7/16 ", 16 mm, 5/8 ", 1-3/8 ", 7/8 "
2-1/2, 1/2, 1-1/2, 1, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 mm, 39 mm, 7/16 in, 3-3/8 in, 1-3/8 in
External Torx, 6-Point, 7-Point, 8-Point, 12-Point
-