Internal Hex, Internal Torx, External Hex, 6-Point, External Torx
7 mm, 1-1/2 ", 1-1/8 ", 1-5/16 ", 9/16 "
2-1/2, 3/8, 3/4, 1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
28 mm, 4-1/8 in, 1-1/4 in, 5/16 in, 1-1/2 in
8-Point, 4-Point, 7-Point, 12-Point
-