Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 9/16 ", 5/8 ", 1-3/8 "
1/4, 2-1/2, 1-1/2, 1, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 3/4 in, 9/16 in, 4-3/4 in, 26 mm, 17 mm
External Torx, 4-Point, 12-Point, 7-Point, 6-Point
-