Application: -To insert or replace wheel bearing races and seals without damaging the race or axle housing. -This complete set covers all bushing sizes from 18mm(0.7")-65mm(2.5") as well as 74mm (2.9"). -All discs are connected with a 12mm (0.47 inches) shaft and screw which quickly connects to a 180mm (7.08 inch) handle. -This tool kit includes 50 interchangeable discs to build 2,450 custom bushing driver variations so you always have the right size for the job. Specification: Type：Bushing Driver Tool Material: Carbon Steel Condition: 100% Brand New Manufacture Warranty: 2 Years Bushing Discs Size: 18mm-65mm as well as 74mm Package Includes: 49x Bushing Discs 4x Rubber O-Rings 1x Long Handle Shaft 1x Quick Connect Shaft 1x Hex Wrench 1x Carrying Case Features: -High-Strength Carbon Steel -Corrosion Resistant Coatings -Heat-Treated Steel Build