External Hex, Internal Hex, Internal Torx
4 mm, 9 mm, 5/8 ", 15/16 ", 1-3/8 "
2-1/2, 1, 3/8, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
4-1/16 in, 58 mm, 33 mm, 5/8 in, 4-3/4 in
4-Point, External Torx, 8-Point, 12-Point, 7-Point
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