External Hex, Internal Hex, Internal Torx
3/8 ", 4 mm, 7/16 ", 1-5/16 ", 11 mm
1/4, 3/8, 3/4, 1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 5 mm, 8 in, 4-1/16 in, 1-1/4 in
External Torx, 8-Point, 7-Point, 12-Point, 6-Point
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