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