Internal Hex, Internal Torx, External Hex
1-5/16 ", 1-3/8 ", 7/8 ", 1-1/4 ", 21 mm
2-1/2, 3/4, 1-1/2, 3/8, 1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
2-11/16 in, 9 mm, E7, 8 in, 4-3/4 in
12-Point, 8-Point, 7-Point, 6-Point, 4-Point
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