Internal Hex, Internal Torx, External Hex
9/32 ", 3/16 ", 2-1/2 ", 4 mm, 9 mm
2-1/2, 3/4, 3/8, 1/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
E7, 1-7/16 in, 8 in, 2-1/2 in, 5/16 in
12-Point, 8-Point, 7-Point, 4-Point, 6-Point
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