External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 1-5/16 ", 16 mm, 5/8 ", 1-3/8 "
2-1/2, 1/2, 3/8, 1-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
47 mm, 200 mm, 56 mm, 8 in, 26 mm
12-Point, 8-Point, 7-Point, 6-Point, 4-Point
-