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