External Hex, Internal Hex, Internal Torx
5/8 ", 16 mm, 2-1/2 ", 4 mm, 9 mm
1/2, 3/4, 3/8, 2-1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
2-11/16 in, 8 in, 28 mm, 58 mm, 7/8 in
External Torx, 6-Point, 8-Point, 7-Point, 12-Point
-