External Hex, Internal Hex, Internal Torx
8 mm, 1-1/2 ", 5.5 mm, 5/8 ", 21 mm
1/2, 2-1/2, 1-1/2, 3/4, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-7/16 in, 3-9/16 in, 8 in, 4-1/8 in, 26 mm
4-Point, 7-Point, 6-Point, 12-Point, 8-Point
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