External Hex, Internal Hex, Internal Torx
15 mm, 5/8 ", 2-1/2 ", 4 mm, 15/16 "
1, 3/4, 1-1/2, 3/8, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
9 mm, 1-11/16 in, 8 in, 3/4 in, 9/16 in, 7/16 in
External Torx, 8-Point, 12-Point, 6-Point, 7-Point
-