Features: 1. Application: The Input Shaft Bearing Puller Tools Kit compatible with 1 3/4" & 2" Shafts, not work for RT600 / 6600 series transmissions 2. Function: Heavy duty and precise built can prevent damage, improve efficiency, and save money 3. High Performance: It can quickly and easily remove/pull the input shaft bearing without busting the drive gear teeth on the transmission 4. Premium Material: Made of heavy-duty steel, it has higher strength, corrosion resistance, impact resistance, and durability .