Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 1-1/8 ", 7/8 ", 1-1/4 "
3/8, 3/4, 2-1/2, 1/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
13 mm, 26 mm, 17 mm, 1-3/8 in, 3-3/8 in
External Torx, 12-Point, 4-Point, 7-Point, 6-Point
-