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