External Hex, Internal Hex, Internal Torx, External Torx
2-1/2 ", 4 mm, 5/8 ", 23 mm, 1-3/8 "
3/8, 1/4, 1-1/2, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3 in, 5 mm, 8 in, 43 mm, 5/16 in
6-Point, 8-Point, 7-Point, 4-Point, 12-Point
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