Internal Hex, Internal Torx, External Hex, 6-Point
9/16 ", 5.5 mm, 9 mm, 5/8 ", 1-1/4 "
1/4, 1-1/2, 3/8, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
58 mm, 3/4 in, 9/16 in, 4-3/4 in, 39 mm, 13 mm
4-Point, External Torx, 12-Point, 7-Point, 8-Point
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