Internal Hex, Internal Torx, External Hex
9/32 ", 3/16 ", 2-1/2 ", 4 mm, 5/8 "
2-1/2, 3/8, 1-1/2, 1, 1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 4-1/16 in, 15/16 in, 3-3/8 in
External Torx, 6-Point, 8-Point, 7-Point, 12-Point
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