Internal Hex, Internal Torx, External Hex
1-5/16 ", 5.5 mm, 5/8 ", 15/16 ", 1-3/8 "
3/8, 3/4, 1/4, 2-1/2, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
23 mm, 3-3/4 in, 8 in, 58 mm, 2-15/16 in
8-Point, 4-Point, 7-Point, 6-Point, 12-Point
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