External Hex, Internal Hex, Internal Torx
4 mm, 1-5/16 ", 5.5 mm, 35 mm, 1-3/8 "
1, 2-1/2, 3/8, 1/2, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 7/16 in, 1-3/4 in, 58 mm, 2-7/16 in
External Torx, 12-Point, 4-Point, 7-Point, 6-Point
-