Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 25 mm, 1-5/16 ", 1-3/8 "
3/4, 1-1/2, 1, 3/8, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 70 mm, 3/4 in, 9/16 in, 11/16 in, 5/16 in
4-Point, 8-Point, 12-Point, 7-Point, 6-Point
-