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