Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 1-1/2 ", 1-1/8 ", 5/8 ", 7/8 "
1-1/2, 1, 3/4, 1/2, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
8 in, 4-1/16 in, 7/16 in, 39 mm, 13 mm
4-Point, 12-Point, 7-Point, 8-Point, 6-Point
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