External Hex, Internal Hex, Internal Torx
2-1/2 ", 6 mm, 9 mm, 9/16 ", 1-3/8 "
1-1/2, 1/4, 1/2, 1, 2-1/2
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
3-9/16 in, 35 mm, 8 in, 39 mm, 11/16 in
8-Point, 4-Point, 7-Point, 6-Point, External Torx
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