Internal Hex, Internal Torx, External Hex
4 mm, 1-5/16 ", 27 mm, 1-3/8 ", 7/8 "
1/2, 3/8, 1-1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
9/16 in, 5 mm, 8 in, 33 mm, 39 mm
12-Point, 6-Point, 7-Point, 4-Point, 8-Point
-