Internal Hex, Internal Torx, External Hex
16 mm, 2-1/2 ", 1-5/16 ", 1 ", 21 mm
1, 2-1/2, 1/2, 3/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
5 mm, 8 in, 4-1/16 in, 3/4 in, 9/16 in, 5/16 in
12-Point, 7-Point, 8-Point, 6-Point, 4-Point
-