External Hex, Internal Hex, Internal Torx, External Torx
2-1/2 ", 4 mm, 7/16 ", 1-3/8 ", 5/8 "
1/4, 1/2, 1-1/2, 3/8, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 28 mm, 3/4 in, 9/16 in, 2-7/16 in, 13 mm
6-Point, 4-Point, 12-Point, 8-Point, 7-Point
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