Internal Hex, Internal Torx, External Hex, External Torx, 6-Point
11/16 ", 2-1/2 ", 5/8 ", 35 mm, 1-3/8 "
2-1/2, 1/2, 1/4, 3/4, 1-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 8 in, 13 mm, 4-3/4 in, 2-1/2 in
8-Point, 12-Point, 7-Point, 4-Point
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