Internal Hex, Internal Torx, External Hex
1-1/8 ", 9/16 ", 15/16 ", 5/8 ", 1-1/4 "
1, 1-1/2, 3/8, 3/4, 2-1/2
Phosphatized, Phosphated, Gun-metal, Black Phosphate, Black Oxide
2-11/16 in, 32 mm, 8 in, 11 mm, 4-1/16 in
8-Point, 6-Point, 4-Point, 12-Point, 7-Point
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