Internal Hex, Internal Torx, External Hex
3/16 ", 2-1/2 ", 1-1/8 ", 16 mm, 1-3/8 "
1-1/2, 2-1/2, 1/2, 1/4, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 1-1/4 in, 39 mm, 15/16 in
6-Point, 4-Point, 12-Point, 8-Point, 7-Point
-