Internal Hex, Internal Torx, External Hex
3/16 ", 2-1/2 ", 4 mm, 25 mm, 5/8 "
2-1/2, 1-1/2, 3/4, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-3/4 in, 8 in, 43 mm, 58 mm, 13 mm
6-Point, External Torx, 4-Point, 7-Point, 12-Point
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