External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
2-1/2 ", 1-1/8 ", 20 mm, 5/8 ", 1-3/8 "
1-1/2, 3/8, 1, 2-1/2, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
37 mm, 1-11/16 in, 8 in, 15/16 in, 17 mm
8-Point, 12-Point, 7-Point, 4-Point
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