External Hex, Internal Hex, Internal Torx
7/32 ", 9/32 ", 15 mm, 2-1/2 ", 4 mm
1, 1/4, 2-1/2, 1/2, 1-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 2-11/16 in, 36 mm, 11 mm, 8 in
7-Point, 12-Point, 8-Point, 6-Point, 4-Point
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