External Hex, Internal Hex, Internal Torx
9/32 ", 2-1/2 ", 6 mm, 5/8 ", 15/16 "
2-1/2, 1-1/2, 1/2, 3/4, 1/4
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3-9/16 in, 7/8 in, 1-1/8 in, 36 mm, 8 in
12-Point, 6-Point, 7-Point, 8-Point, 4-Point
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