Internal Hex, Internal Torx, External Hex
1-1/2 ", 1-1/8 ", 1-5/16 ", 5.5 mm, 5/8 "
2-1/2, 1, 1-1/2, 1/4, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 3-9/16 in, 5 mm, 8 in, 58 mm
8-Point, 6-Point, 7-Point, 12-Point, 4-Point
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