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