Internal Hex, Internal Torx, External Hex, External Torx
1-5/16 ", 16 mm, 27 mm, 15/16 ", 5/8 "
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
4-1/8 in, 43 mm, 5/16 in, 1-1/2 in, 1-3/8 in
4-Point, 12-Point, 6-Point, 7-Point, 8-Point
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