Internal Hex, Internal Torx, External Hex
2-1/2 ", 4 mm, 1-5/16 ", 15/16 ", 7/8 "
1/2, 1-1/2, 2-1/2, 1/4, 1
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
37 mm, 3/4 in, 9/16 in, 8 in, 28 mm, 17 mm
6-Point, 4-Point, 7-Point, 8-Point, 12-Point
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