External Hex, Internal Hex, Internal Torx
7/32 ", 2-1/2 ", 10 mm, 5/8 ", 15/16 "
2-1/2, 1/4, 1/2, 3/8, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
7/16 in, 4-3/4 in, 2-1/2 in, 13 mm, 2-15/16 in
8-Point, 12-Point, 7-Point, 4-Point, 6-Point
-