This professional 53-piece master bush bearing seal driver set allows you to build your own custom bushing driver. With interchangeable pieces, you can create up to 2,450 different size variations. Simply select the required sizes and assemble your driver tool to suit the specific seal, bush, or bearing job. The set includes discs ranging from 18mm to 65mm, plus a 74mm disc, all laser etched with their sizes for easy identification. Also included are a disc connector (12mm x 40mm), a handle (12mm x 220mm), a driver connector screw, a 3mm hex key, and rubber washers. All components are supplied in a sturdy blow-molded case for neat storage and easy transportation. This comprehensive kit provides the freedom to create a personalized bushing driver tool tailored to your specific needs.