Internal Hex, Internal Torx, External Hex
4 mm, 1-1/8 ", 5/8 ", 15/16 ", 1-3/8 "
1-1/2, 1, 1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 58 mm, 4-3/4 in, 17 mm, 11/16 in
External Torx, 8-Point, 7-Point, 6-Point, 12-Point
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