Internal Hex, Internal Torx, External Hex
4 mm, 1-5/16 ", 5/8 ", 1-3/8 ", 7/8 "
1, 1/2, 1-1/2, 2-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 43 mm, 4-3/4 in, 39 mm, 2-7/16 in
External Torx, 6-Point, 7-Point, 4-Point, 8-Point
-