Internal Hex, Internal Torx, External Hex
5/16 ", 30 mm, 18 mm, 1-3/8 ", 5/8 "
1-1/2, 2-1/2, 1/2, 1/4, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 33 mm, 8 in, 1-1/8 in, 8 mm
6-Point, External Torx, 4-Point, 7-Point, 8-Point
-