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