Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 7 mm, 9 mm, 1-1/2 "
1, 2-1/2, 1/2, 1/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
36 mm, 12 mm, 8 in, 35 mm, 5/16 in
4-Point, 12-Point, 7-Point, 6-Point, 8-Point
-