External Hex, Internal Hex, Internal Torx
4 mm, 30 mm, 16 mm, 5/8 ", 15/16 "
1-1/2, 1, 3/8, 1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 28 mm, 4-3/4 in, 39 mm, 17 mm
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
-