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