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