Internal Hex, Internal Torx, External Hex
2-1/2 ", 16 mm, 5.5 mm, 23 mm, 1-3/8 "
1-1/2, 3/8, 1/2, 1, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-1/4 in, 58 mm, 3/4 in, 9/16 in, 4-3/4 in, 13/16 in
4-Point, 12-Point, External Torx, 8-Point, 7-Point
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