This is a pair of aluminum shock ends for the Traxxas Revo. The ball hole is CNC machined to capture a chrome steel ball with two Rubber O-ring. Also a Secure o-ring seal is there to maintain spring Cup position under the most severe conditions. YOU WILL RECEIVE: 2 Silver anodized aluminum shock ends Balls are, heat treated, hard chrome plated. Note: This to replace Traxxas 5469 or 5462