Internal Hex, Internal Torx, External Hex, External Torx
5/16 ", 25 mm, 5/8 ", 1-3/8 ", 7/8 "
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-1/4 in, 3/4 in, 9/16 in, 4-3/4 in, 13 mm, 3-3/8 in
12-Point, 8-Point, 4-Point, 7-Point, 6-Point
-