Internal Hex, Internal Torx, External Hex
2-1/2 ", 9 mm, 1-5/16 ", 5/8 ", 1-3/8 "
1/2, 3/4, 2-1/2, 1/4, 3/8
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
4-1/16 in, 70 mm, 58 mm, 1-3/8 in, 7/16 in
12-Point, 8-Point, 6-Point, 7-Point, 4-Point
-