Internal Hex, Internal Torx, External Hex, External Torx
2-1/2 ", 4 mm, 5/16 ", 5/8 ", 1-3/8 "
3/8, 1/4, 1/2, 1-1/2, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
8 in, 4-1/8 in, 3/4 in, 9/16 in, 1-3/8 in, 2-15/16 in
8-Point, 6-Point, 7-Point, 12-Point, 4-Point
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