This c-clip is an original part from Ingersoll Rand. Compatible with the 211 and 212 Air Impact Wrenches, the c-clip is designed to secure the anvil and the socket together. A screwdriver, wrench and a pair of pliers may be helpful for the repair. Please be sure to refer to the manual for further instructions. Please be sure to refer to the manual for further instructions. The metal c-clip is sold individually.