Internal Hex, Internal Torx, External Hex
2-1/2 ", 5/16 ", 1-1/8 ", 5/8 ", 21 mm
2-1/2, 3/8, 1-1/2, 1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-1/4 in, 70 mm, 58 mm, 3/4 in, 9/16 in, 15/16 in
8-Point, 6-Point, 4-Point, 12-Point, 7-Point
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