External Hex, Internal Hex, Internal Torx
4 mm, 1-5/16 ", 23 mm, 1 ", 7/8 "
1, 2-1/2, 1/2, 1/4, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
56 mm, 3-9/16 in, 8 in, 4-1/16 in, 2-15/16 in
8-Point, 7-Point, 4-Point, 6-Point, 12-Point
-