Sold as a pack of 10 spring cap washers, one required per cap, this part is built for Mack camel back suspensions rated at 38,000, 44,000, 46,000, 55,000, and 65,000 lbs. Each washer measures 4 in. long by 4 in. wide by 1 in. high. It sits between the spring and its retaining hardware to spread load evenly across the mounting surface and keep the spring end from digging into it.Interchanges:334-15035AX131090-12116E-2546E-5429H229K363-119M-2136R305429This unit is sold in packs of 10.FeaturesSpring cap washer, one required per capSold as a 10-packDimensions: 4 in. length x 4 in. width x 1 in. heightFits Mack camel back suspensions rated 38,000 to 65,000 lbsTech SpecsLength: 4 in.Width: 4 in.Height: 1 in.Sell pack: 10 piecesAdditional InformationFits All Mack camel back suspensions: 38,000, 44,000, 46,000, 55,000, and 65,000 lb ratings.