External Hex, Internal Hex, Internal Torx
7/32 ", 2-1/2 ", 7 mm, 9 mm, 1-3/8 "
2-1/2, 1/2, 1, 1-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
58 mm, 8 mm, 4-3/4 in, 39 mm, 5/16 in
External Torx, 6-Point, 7-Point, 8-Point, 4-Point
-