External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 9 mm, 5/8 ", 23 mm, 1-3/8 "
2-1/2, 3/8, 1/4, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
54 mm, 8 in, 39 mm, 26 mm, 13 mm
12-Point, 8-Point, 7-Point, 6-Point, 4-Point
-