Internal Hex, Internal Torx, External Hex
4 mm, 5/16 ", 1-1/8 ", 15/16 ", 1-3/8 "
2-1/2, 1/2, 1/4, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 43 mm, 58 mm, 2-7/16 in
12-Point, 7-Point, 4-Point, 8-Point, 6-Point
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