Internal Hex, Internal Torx, External Hex
9/32 ", 2-1/2 ", 3/8 ", 4 mm, 30 mm
1, 1/4, 2-1/2, 3/8, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
28 mm, 58 mm, 3/4 in, 9/16 in, 1-3/8 in, 11/16 in
4-Point, 8-Point, 6-Point, 12-Point, 7-Point
-