External Hex, Internal Hex, Internal Torx
4 mm, 1-5/16 ", 23 mm, 1-3/8 ", 7/8 "
1/4, 2-1/2, 1-1/2, 3/4, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
4-1/16 in, 1-3/16 in, 4-3/4 in, 39 mm, 2-1/2 in
External Torx, 7-Point, 12-Point, 6-Point, 4-Point
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