This round U-bolt kit fits Mack leaf spring axle applications and is sold as a 2-piece pack. Each kit contains one round U-bolt plus two nuts, providing the hardware needed to wrap around the axle housing and secure it through the spring plate. It’s a complete solution for fastening the axle to the leaf spring pack on applicable Mack trucks.Interchanges:Mack 25156601Hendrickson 47417-001Mack 4000-47417001Mack 7QK2174MThis unit is sold in packs of 2.FeaturesRound U-bolt kit for leaf spring axle applicationsSold as a 2-piece packKit includes 1 round U-bolt (FUB-4962-001) and 2 nuts (HNU-5836)Suspension partTech SpecsWidth: 12.001 inLength: 12.001 inHeight: 12.001 inSell pack: 2 pieceKit contents: 1x Round U-Bolt (FUB-4962-001), 2x Nut (HNU-5836)