Internal Hex, Internal Torx, External Hex, External Torx
3/16 ", 2-1/2 ", 4 mm, 9 mm, 5/8 "
1, 2-1/2, 1-1/2, 1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
36 mm, E7, 8 in, 4-1/16 in, 5/8 in
7-Point, 8-Point, 6-Point, 4-Point, 12-Point
-