These are Foam Body Washers for the Traxxas T-Maxx 4WD Radio Control Monster Truck. These body washers adhere to the inside of the body over the body mount holes and cushions the body from vibration. FEATURES: Replaces damaged or missing body washers. Adhesive on one side allows easy attachment to body. Made of shock absorbing foam that helps to prevent splitting of body at mounting holes. INCLUDES: Ten foam body washers for the Traxxas T-Maxx. REQUIRES: Peeling off paper backing and attaching at mounting holes on body. SPECS: Outer Diameter: 5/8" (16mm) Inner Diameter: 1/4" (7mm) COMMENTS: May be used on any lexan car body.