External Hex, Internal Hex, Internal Torx
4 mm, 9 mm, 5/16 ", 18 mm, 1-3/8 "
1, 3/8, 1/2, 1-1/2, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
54 mm, 56 mm, 30 mm, 8 in, 26 mm
12-Point, External Torx, 6-Point, 7-Point, 8-Point
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