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