Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 5/16 ", 5/8 ", 15/16 "
3/8, 1-1/2, 2-1/2, 1/2, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 16 mm, 5/8 in, 13 mm, 1-3/8 in
12-Point, External Torx, 6-Point, 8-Point, 7-Point
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