External Hex, Internal Hex, Internal Torx, External Torx
4 mm, 7/16 ", 5/16 ", 18 mm, 7/8 "
1-1/2, 3/8, 1/4, 1, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 28 mm, 4-1/8 in, 39 mm, 5/8 in
7-Point, 4-Point, 12-Point, 6-Point, 8-Point
-