Internal Hex, Internal Torx, External Hex
3/16 ", 11/16 ", 2-1/2 ", 4 mm, 1-5/16 "
2-1/2, 1, 3/4, 1-1/2, 1/2
Phosphated, Phosphatized, Gun-metal, Black Oxide, Black Phosphate
1-7/16 in, 8 in, 21 mm, 4-1/16 in, 3/4 in, 9/16 in
8-Point, 4-Point, External Torx, 6-Point, 7-Point
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