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