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. Instead of 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. 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!