External Hex, Internal Hex, Internal Torx
9/32 ", 3/16 ", 12 mm, 2-1/2 ", 4 mm
3/4, 2-1/2, 1, 1-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 30 mm, 58 mm, 39 mm, 3-3/8 in
6-Point, 4-Point, 7-Point, 12-Point, External Torx
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