Internal Hex, Internal Torx, External Hex
2-1/2 ", 3/8 ", 4 mm, 1-1/8 ", 5/8 "
1/4, 1-1/2, 2-1/2, 1, 3/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-9/16 in, E7, 8 in, 4-3/4 in, 39 mm
8-Point, 12-Point, 4-Point, 7-Point, 6-Point
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