Internal Hex, Internal Torx, External Hex
2-1/2 ", 10 mm, 1/4 ", 9 mm, 46 mm
1/4, 1, 2-1/2, 3/8, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
34 mm, 8 in, 4-1/16 in, 16 mm, 33 mm
External Torx, 6-Point, 4-Point, 12-Point, 7-Point
-