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