External Hex, Internal Hex, Internal Torx
11/16 ", 2-1/2 ", 7 mm, 8 mm, 15/16 "
1/2, 1, 3/4, 2-1/2, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
12 mm, 1-11/16 in, 8 in, 30 mm, 43 mm
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
-