Internal Hex, Internal Torx, External Hex, External Torx
9/32 ", 2-1/2 ", 4 mm, 7/16 ", 46 mm
1, 3/4, 3/8, 2-1/2, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 35 mm, 8 in, 21 mm, 2-1/2 in
8-Point, 12-Point, 6-Point, 7-Point, 4-Point
-