External Hex, Internal Hex, Internal Torx
2-1/2 ", 5/16 ", 9 mm, 1-3/8 ", 1-1/4 "
1, 3/4, 2-1/2, 1-1/2, 3/8
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
58 mm, 3/4 in, 9/16 in, 4-3/4 in, 39 mm, 35 mm
4-Point, 8-Point, 12-Point, 7-Point, 6-Point
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