The EZGO 4840 Axle Snap Ring Retaining Clip is a set of 6 metal retaining rings specifically designed for E-Z-GO golf carts with a 2-cycle engine. With an outside diameter of approximately 43.1mm, these clips are compatible with 1978 models and are intended for use on the golf cart axle. The retaining rings provide a secure fastening solution to ensure proper assembly and function of the golf cart's drivetrain system.