Internal Hex, Internal Torx, External Hex, External Torx
4 mm, 5/16 ", 1-1/2 ", 5/8 ", 1-3/8 "
1/4, 3/8, 2-1/2, 3/4, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 11 mm, 8 in, 5/8 in, 1-3/8 in
4-Point, 6-Point, 12-Point, 7-Point, 8-Point
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