Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 7 mm, 1-1/8 ", 5/8 ", 5.5 mm
1/4, 2-1/2, 3/8, 1, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 39 mm, 11/16 in, 2-7/16 in, 3-3/8 in
4-Point, 12-Point, 7-Point, 8-Point, 6-Point
-