Internal Hex, Internal Torx, External Hex, 6-Point
1-1/8 ", 1-5/16 ", 5.5 mm, 5/8 ", 1-3/8 "
3/4, 1-1/2, 3/8, 2-1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-3/8 in, 56 mm, 33 mm, 8 in, 4-1/16 in
4-Point, External Torx, 12-Point, 8-Point, 7-Point
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