Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 1-1/8 ", 1/4 ", 5/8 "
1, 1/4, 1-1/2, 1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-1/8 in, 58 mm, 8 mm, 39 mm, 2-15/16 in
4-Point, 8-Point, External Torx, 12-Point, 7-Point
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