Package include: Roller tool:5 piece Size:width 40mm,20mm,12mm,6mm,4mm Material: Roller：metal Handle: wood NOTE: This sound deadening roller allows for even pressure of application, minimizes air bubbles and achieves the best adhesion Please check the dimensions carefully before buying. Hope you have a satisfactory shopping experience!!! DIFFERENT SIZES - Our products include five different sizes of sound deadening roller. Please refer to the picture for detailed specifications. MATERIAL - The sound deadening roller is made up of Metal Roller, Wood Handle, and Metal Connector. APPLICATION - It makes the sound insulation pad more effectively installed on the surface of the car,it also can make tyre and tube patches adhere fully during repairs. EASY TO CARRY - It is compact and easy to carry,which is can solve your problem well. SATISFACTORY SERVICE - If you have any questions about our products, please contact us in time, we will do our best to solve your problems.