Specifications:It makes the sound insulation pad more effectively installed on the surface of the car.It also can make tire and tube patches adhere fully during repair.It is compact and easy to carry, which can solve your problem well.Item Name: Sound Deadener RollerMaterial: Wooden Handle, Iron WheelFeatures: High Hardness, Simple Operation, Extra Durable UseRoller Length: 180mm/7.09" (Approx.)Wheel Width: 4mm/0.16", 6mm/0.24", 12mm/0.47", 20mm/0.79", 40mm/1.57" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.The wooden handles may have slight color differences between different shiped batches.Package Includes:5 x Sound Deadener Rollers