Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 1-5/16 ", 18 mm, 1-3/8 "
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 43 mm, 58 mm, 3/4 in, 9/16 in
6-Point, 7-Point, 12-Point, 8-Point, 4-Point
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