Internal Hex, Internal Torx, External Hex
5/16 ", 9/16 ", 5/8 ", 1-3/8 ", 1-1/4 "
3/8, 1/2, 2-1/2, 1-1/2, 1/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 21 mm, 4-3/4 in, 26 mm
External Torx, 7-Point, 6-Point, 12-Point, 8-Point
-