Our billet stringer washers are machined from 1/4" thick 6061-T6 billet aluminum and measure 1/2" ID X 1 1/4" OD. Washers are available in polished, powdercoated, and anodized finishesStringer Washer 1/2"SKU: SW-0030$3.25PriceBasic colorsSelectQuantityAdd to CartBuy Now