12mm/0.5"

30Pc Black Rubber Round Flat Washer Assortment Size 6x12x2.2mm Flat Washer

I checked and the 1620 model has a three-year limited warranty.

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16Pc Black Rubber Round Flat Washer Assortment Size 6x12x2.2mm Flat Washer

The rubber used in this item is anti-static, reducing dust attraction.

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