External Hex, Internal Hex, Internal Torx
3/16 ", 2-1/2 ", 5/16 ", 27 mm, 35 mm
3/8, 1-1/2, 2-1/2, 1/2, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 33 mm, 2-7/16 in, 1-3/8 in
12-Point, External Torx, 6-Point, 8-Point, 7-Point
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