Internal Hex, Internal Torx, External Hex
2-1/4 ", 7/16 ", 2-1/2 ", 4 mm, 1-1/8 "
1, 2-1/2, 1-1/2, 1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
4-1/16 in, 70 mm, 1-3/16 in, 39 mm, 3-3/8 in
External Torx, 7-Point, 12-Point, 8-Point, 4-Point
-