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