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