External Hex, Internal Hex, Internal Torx, External Torx
1-5/16 ", 5.5 mm, 9 mm, 1-3/8 ", 1-1/4 "
1/4, 3/4, 1-1/2, 1/2, 3/8
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
4-3/8 in, 54 mm, 1-15/16 in, 8 in, 35 mm
12-Point, 4-Point, 6-Point, 7-Point, 8-Point
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