Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 3/8 ", 16 mm, 1-3/8 ", 7/8 "
Phosphatized, Gun-metal, Phosphated, Black Oxide, Black Phosphate
4-1/16 in, 1-1/8 in, 3/4 in, 9/16 in, 17 mm, 13 mm
4-Point, 8-Point, 7-Point, 12-Point, 6-Point
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