External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 9 mm, 1-1/8 ", 5/8 ", 1-3/8 "
1/2, 3/4, 2-1/2, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
8 in, 28 mm, 58 mm, 39 mm, 1-1/2 in
7-Point, 4-Point, 12-Point, 8-Point, 6-Point
-