External Hex, Internal Hex, Internal Torx, External Torx, 6-Point
1-1/2 ", 5/8 ", 1-3/8 ", 1-1/4 ", 21 mm
2-1/2, 3/8, 1/4, 1/2, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
2-1/4 in, 1-1/8 in, 8 in, 58 mm, 11/16 in
4-Point, 8-Point, 12-Point, 7-Point
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