External Hex, Internal Hex, Internal Torx, External Torx
5/16 ", 16 mm, 5.5 mm, 35 mm, 1-1/4 "
1-1/2, 3/4, 3/8, 1/4, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 12 mm, 8 in, 1-3/8 in, 13 mm
8-Point, 6-Point, 4-Point, 12-Point, 7-Point
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