The Collins Complete Aluminum Hub provides you with exactly what you need to make a quick and easy repair job to your Collins Dolly. The kit includes the bearings, races, grease seal, spindle nut, washer, cotter pin, bolts, and dust cover. This completed kit give you everything needed to finish your hub assembly so that you can get back to the job as quickly as possible. Once finished, your Collins Dolly will be able to continue operating optimally.