External Hex, Internal Hex, Internal Torx
7/32 ", 2-1/2 ", 5.5 mm, 5/8 ", 1-3/8 "
1, 2-1/2, 1/4, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
20 mm, 22 mm, E7, 8 in, 3-3/8 in
External Torx, 4-Point, 7-Point, 12-Point, 6-Point
-