for OTC (7894) Jeep/Dodge Heavy Duty Ball Joint Service Adapter Installer Tool
4pcs adaptors: 2 for installation: Installer(2-1/8" O.D x 1-3/4"I.D x 1/2" L), Installer Cup (2" O.D x 1-3/4"I.D x 2-5/16" L). 2 for removal: Remover (1-7/16" O.D x 3/4"I.D x 1" L), Remover Cup (2-7/16" O.D x 2-3/16"I.D x 3-3/16" L).