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