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