The Dana Spicer 133746 is a hex double capscrew used as a differential carrier bolt in on-highway axle applications. As a genuine Spicer hardware fastener, this capscrew is sold individually (unit of measure: each). If you need help confirming this is the correct fastener for your axle, call Pro Gear and Transmission and we will be glad to help you verify the right part for your application.Interchanges:EH133746FeaturesGenuine Dana Spicer differential carrier boltHex double capscrew designFor on-highway axle applicationsSold individually (each)