Internal Hex, Internal Torx, External Hex, External Torx, 6-Point
1-5/16 ", 5/8 ", 5.5 mm, 15/16 ", 1-3/8 "
1, 3/4, 1-1/2, 3/8, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-1/8 in, 8 in, 30 mm, 39 mm, 3-3/8 in
8-Point, 4-Point, 12-Point, 7-Point
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