Internal Hex, Internal Torx, External Hex
4 mm, 5.5 mm, 5/8 ", 1-3/8 ", 1-1/4 "
1/4, 3/4, 1-1/2, 2-1/2, 3/8
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
2-1/2 in, 24 mm, 13 mm, 2-7/16 in, 2-15/16 in
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
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