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