External Hex, Internal Hex, Internal Torx, External Torx
7/16 ", 5/16 ", 5.5 mm, 5/8 ", 7/8 "
2-1/2, 1/4, 3/8, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
1-13/16 in, 7/8 in, 8 in, 4-1/8 in, 7/16 in
8-Point, 6-Point, 7-Point, 4-Point, 12-Point
-