Internal Hex, Internal Torx, External Hex, External Torx, 6-Point
3/16 ", 2-1/2 ", 4 mm, 5/8 ", 1-3/8 "
1, 2-1/2, 1-1/2, 3/8, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
12 mm, 8 in, 43 mm, 39 mm, 2-1/2 in
12-Point, 7-Point, 8-Point, 4-Point
-