Internal Hex, Internal Torx, External Hex
5/16 ", 20 mm, 1-3/8 ", 5/8 ", 46 mm
1-1/2, 1/2, 3/4, 2-1/2, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
58 mm, 8 mm, 24 mm, 2-15/16 in, 1-1/2 in
External Torx, 4-Point, 7-Point, 8-Point, 6-Point
-