External Hex, Internal Hex, Internal Torx
1-1/8 ", 5/8 ", 5.5 mm, 15/16 ", 1-3/8 "
1, 3/4, 2-1/2, 1/2, 1-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
E7, 3 in, 8 in, 11 mm, 11/16 in
12-Point, 4-Point, 7-Point, 8-Point, 6-Point
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