Internal Hex, Internal Torx, External Hex
7/32 ", 9 mm, 2-1/2 ", 4 mm, 5/8 "
1/2, 3/4, 1-1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
8 in, 7/16 in, 1-1/4 in, 39 mm, 2-7/16 in
8-Point, 6-Point, 12-Point, 4-Point, 7-Point
-