External Hex, Internal Hex, Internal Torx, External Torx
11/16 ", 2-1/2 ", 4 mm, 5/8 ", 5.5 mm
1-1/2, 3/8, 1/2, 3/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
43 mm, 7/8 in, 5/8 in, 1-1/4 in, 3-3/8 in
6-Point, 12-Point, 7-Point, 8-Point, 4-Point
-