Internal Hex, Internal Torx, External Hex, External Torx
3/16 ", 2-1/2 ", 25 mm, 5/8 ", 1-3/8 "
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
2-11/16 in, 8 in, 43 mm, 58 mm, 1-3/16 in
4-Point, 8-Point, 6-Point, 12-Point, 7-Point
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