External Hex, Internal Hex, Internal Torx
3/16 ", 2-1/2 ", 4 mm, 7/16 ", 7 mm
1-1/2, 2-1/2, 1/2, 3/4, 1
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
3/4 in, 9/16 in, E7, 8 in, 30 mm, 43 mm
8-Point, External Torx, 12-Point, 7-Point, 6-Point
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