External Hex, Internal Hex, Internal Torx
4 mm, 1-1/2 ", 20 mm, 5/8 ", 1-3/8 "
2-1/2, 1, 1/4, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 28 mm, 58 mm, 2-1/2 in, 1-1/4 in
8-Point, 4-Point, 6-Point, 7-Point, 12-Point
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