HIGH QUALITY: Our sound deadening noise roller handle is made of wood, the rolling wheel is made of metal. PACKAGE CONTENT: Our car soundproofing and soundproofing drums are available in three different sizes. For detailed specifications, please refer to the picture. EFFICIENT WORK: Our Auto Noise Sound Deadeners are made of metal with a corrugated profile of the rotating wheel, which helps to better operate and prevent the drum from slipping. Metal rotating wheels work more efficiently than plastic, wood and polyurethane rollers. ABOUT APPLICATION: The Sound Deadening Roller allows the sound insulation pad to be mounted more effectively on the surface of the car, and it also allows the tire and tube patch to adhere completely during maintenance. And it‘s suitable for soundproofing mats, audio sound insulation and damping. EASY To CARRY: Our Sound Deadening Roller installation tools are compact and easy to carry, which can solve problems well. This is the best choice for those who like their car and don't want to waste time!