External Hex, Internal Hex, Internal Torx, External Torx
2-1/2 ", 3/8 ", 4 mm, 9/16 ", 1-3/8 "
1/2, 3/4, 1-1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-5/16 in, 8 in, 70 mm, 58 mm, 24 mm
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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