Internal Hex, Internal Torx, External Hex
2-1/4 ", 26 mm, 2-1/2 ", 9 mm, 5/8 "
3/8, 1/2, 1-1/2, 2-1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-3/16 in, 36 mm, 8 in, 4-1/8 in, 2-1/2 in
External Torx, 12-Point, 6-Point, 4-Point, 7-Point
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