Internal Hex, Internal Torx, External Hex
4 mm, 16 mm, 1 ", 1-3/8 ", 5/8 "
1, 1-1/2, 1/2, 2-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
36 mm, 8 in, 28 mm, 58 mm, 26 mm
External Torx, 8-Point, 7-Point, 6-Point, 4-Point
-