TruePower 21-5561 3-in-1 Ball Joint/U-Joint/C-Frame Service Kit Heavy duty c-frame press and threaded rod with adapters Installation/Removal adapters: receiver tube #1: 2-3/4'' I.D. X 3'' O.D Receiver tube #2: 2-1/4'' I.D. X 2-1/2'' O.D Receiver tube #3: 1-3/4'' I.D. X 2'' O.D Includes form-fitted blow mold storage/carrying case