External Hex, Internal Hex, Internal Torx
3/8 ", 9 mm, 5/8 ", 9/16 ", 1-3/8 "
1, 2-1/2, 1/4, 1-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 16 mm, 28 mm, 58 mm, 3/4 in, 9/16 in
External Torx, 7-Point, 6-Point, 12-Point, 4-Point
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