This wiper blade mounts to the wiper arm on heavy-duty truck cab and chassis systems, clearing rain, snow, and debris to keep the windshield clear for the driver. It measures 12.001 in. in width and height with a 1.02 in. length dimension. Sold as a single each unit.FeaturesWindshield wiper bladePart number FBL-4866Dimensions: 12.001 x 12.001 x 1.02 in.Sold as eachFits cab and chassis wiper arm systemsTech SpecsWidth: 12.001 in.Height: 12.001 in.Length: 1.02 in.Unit of Measure: Each