Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 1-5/16 ", 5.5 mm, 1-3/8 "
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 11 mm, 5 mm, 8 in, 5/16 in
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
-