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