Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 16 mm, 15/16 ", 1-3/8 "
1/2, 3/8, 1/4, 1-1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
15/16 in, 8 in, 13/16 in, 43 mm, 3/4 in, 9/16 in
7-Point, 4-Point, 12-Point, 6-Point, External Torx
-