External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
1-1/8 ", 1-5/16 ", 1/4 ", 5.5 mm, 5/8 "
3/4, 3/8, 1/2, 1/4, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 4-3/4 in, 39 mm, 3-3/8 in
8-Point, 4-Point, 7-Point, 12-Point
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