Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 1-1/8 ", 20 mm, 5/8 ", 1-3/8 "
3/4, 1/2, 1/4, 2-1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
8 in, 70 mm, 4-3/4 in, 2-1/2 in, 2-7/16 in
8-Point, 4-Point, 7-Point, 6-Point, 12-Point
-