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Case hardened steel with black oxide finish. Extra thick for increased strength.

1/2&quot; Heavy Duty Flat Washer - 1-1/8&quot; O.D. - 3/16&quot; Thick - Steel - Black Oxide - Pkg of 10 - HDW-4

1-2-heavy-duty-flat-washer-1-1-8-o-d-3-16-thick-steel-black-oxide-pkg-of-10

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