This wheel bearing kit is an essential service tool for selected ford mazda and volvo models fitted with 78mm 2nd generation wheel bearings these second generation bearings can39t be separated from the drive flange so this specialist fittingremoving tool must be used when working with the bearings using clamp collars and force pegs the tool ensures the loads of insertion are taken only on the outer race of the bearing which reduces the risk of damage and makes the job easier