Strength: Made of quality carbon steel Easy installation: Special air design of the thread bolts High utilization: High-quality materials and processing technology can allow repeated use and less wear Professional package   Package Including： Part Dimensions 3x Receiving Tube (2.3" L x 2.723" I.D. x 3" O.D.)//(1.8" L x 2-1/4" I.D. x 2-1/2" O.D.)// (1.8" L x 1-3/4" I.D. x 2" O.D.) 1x Installation Adapter (1.1" L x 0.98" I.D. x 3" O.D.) 1x Removal Adapter (1.16" L x 1/2" I.D. x 3" O.D.) 1xScrew 1x Install Cup Adapter (0.8" L x 1.88" I.D. x 2-1/4" O.D.) 1x Forcing-screw Press 1x Receiving Cup (2-1/2" L x 2" I.D. x 2-1/4" O.D.) 1x Installing Cup (3.6" L x 1-3/4" I.D. x 2" O.D.)