External Hex, Internal Hex, Internal Torx, External Torx
2-1/2 ", 8 mm, 9 mm, 1-1/8 ", 1-1/4 "
1-1/2, 3/8, 3/4, 1/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 28 mm, 1-3/8 in, 13 mm, 3-3/8 in
12-Point, 8-Point, 7-Point, 6-Point, 4-Point
-