Internal Hex, Internal Torx, External Hex, External Torx
5/8 ", 5.5 mm, 9 mm, 1-3/8 ", 7/8 "
1, 3/4, 1-1/2, 2-1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-11/16 in, 8 in, 4-1/16 in, 1-1/8 in, 58 mm
4-Point, 8-Point, 7-Point, 12-Point, 6-Point
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