Internal Hex, Internal Torx, External Hex
5/8 ", 2-1/2 ", 4 mm, 7/16 ", 1-3/8 "
1-1/2, 3/4, 1/2, 2-1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-7/16 in, 3-9/16 in, 8 in, 8 mm, 15/16 in
External Torx, 7-Point, 12-Point, 6-Point, 8-Point
-