External Hex, Internal Hex, Internal Torx
4 mm, 6 mm, 1-1/8 ", 5.5 mm, 21 mm
1, 1-1/2, 1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
5 mm, 8 in, 70 mm, 58 mm, 5/16 in
12-Point, External Torx, 6-Point, 8-Point, 7-Point
-