External Hex, Internal Hex, Internal Torx
3/16 ", 2-1/2 ", 5/16 ", 18 mm, 5/8 "
1/4, 2-1/2, 3/4, 1-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
12 mm, 8 in, 2-7/16 in, 11/16 in, 3-3/8 in
12-Point, 7-Point, 6-Point, External Torx, 4-Point
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