[Practicality] Sound deadening roller tool can minimize air bubbles, get the best adhesion of sound deadening pad, and make the installation of your sound deadening material so easy. Ensures optimum comfort for your car, van, truck or any other vehicle, effectively and practically. [High Quality] The car sound deadening roller consists of durable polyurethane (PU), wooden handle of and metal bracket, fixed on the wooden handle with riveted steel roller bracket. Ergonomic design, reduce hand fatigue, feel comfortable. Stainless steel metal bracket, not easy to rust, more durable. [Easy to Operate] The large car sound dampening roller is for larger areas and the small car sound dampening roller is for edges and hard to reach areas, sound deadening rollers with bearings will not jam when used, a perfect combination, most suitable for the application of soundproofing foam and heat mats in the car, easy to use [Reasonable Size] Pack of 2Pcs Sound Deadening Application Roller with 2 sizes. The Larger Roller Size: 5cm x 3.5cm (width*diameter). The Smaller Roller Size: 3cm x 3.5cm. (width*diameter).Deadening roller installation tools are compact and easy to carry, will not take up too much space. [High Quality] The car sound deadening roller consists of durable polyurethane (PU), wooden handle of and metal bracket, fixed on the wooden handle with riveted steel roller bracket. Ergonomic design, reduce hand fatigue, feel comfortable. Stainless steel metal bracket, not easy to rust, more durable.