External Hex, Internal Hex, Internal Torx
9/32 ", 5/8 ", 2-1/2 ", 4 mm, 7/16 "
1-1/2, 1/4, 1, 3/8, 2-1/2
Phosphatized, Gun-metal, Phosphated, Black Phosphate, Black Oxide
3/4 in, 9/16 in, 4-3/4 in, 39 mm, 35 mm, 3-3/8 in
12-Point, 7-Point, 6-Point, 8-Point, 4-Point
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