Internal Hex, Internal Torx, External Hex
5/8 ", 2-1/2 ", 4 mm, 5/16 ", 1-3/8 "
1-1/2, 2-1/2, 1, 3/8, 3/4
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
43 mm, 58 mm, 3/4 in, 9/16 in, 5/8 in, 26 mm
6-Point, 12-Point, 8-Point, 7-Point, 4-Point
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