Internal Hex, Internal Torx, External Hex
1 ", 5/16 ", 1-5/16 ", 15/16 ", 1-3/8 "
1/4, 2-1/2, 1-1/2, 3/8, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 30 mm, 70 mm, 1-3/8 in
External Torx, 4-Point, 7-Point, 12-Point, 6-Point
-