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