This is an extended body mount kit with secure-loc caps for the Traxxas monster trucks. Pro-line continues to innovate with more must-have accessories for your monster truck. The all-new Pro-Line body mount kit includes adjustable body mounts so you can fit any body on your truck perfectly! but, the Pro-Line engineers did not stop there. Instead of just using the same old flimsy body clips that always get lost and bent, the Pro-Line extended body mount kit includes a revolutionary screw on body mounting system for a strong and secure mount every time. No more getting stabbed in the finger by those nasty clips! just screw down the included setscrew into the body mount, place the O-ring over the setscrew and mount your body as you normally would. This new extended body mount kit adds safety, security and styling with pro-line's innovative screw on body mounting system! get your extended body mount kit for your Revo 3.3, E-Revo and Summit today!.