Internal Hex, Internal Torx, External Hex, External Torx
3/16 ", 2-1/2 ", 4 mm, 7/16 ", 1-5/16 "
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
1-11/16 in, 8 in, 58 mm, 3/4 in, 9/16 in, 2-1/2 in
12-Point, 7-Point, 8-Point, 4-Point, 6-Point
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