External Hex, Internal Hex, Internal Torx
3/16 ", 2-1/2 ", 8 mm, 1-1/8 ", 5/8 "
2-1/2, 1/4, 3/4, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
28 mm, 43 mm, 39 mm, 15/16 in, 17 mm
6-Point, 8-Point, 4-Point, 7-Point, 12-Point
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