External Hex, Internal Hex, Internal Torx
9/32 ", 5/8 ", 3/16 ", 2-1/2 ", 4 mm
1-1/2, 3/4, 2-1/2, 1, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
39 mm, 2-7/16 in, 15/16 in, 2-15/16 in, 3-3/8 in
12-Point, 8-Point, 6-Point, External Torx, 7-Point
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