This is an essential and must have deadener roller tool for an easy and effective application of your sound deadening mats or heat abatement mats. This allows for even pressure of application, minimizes air bubbles and achieves the best adhesion. Specifications: 1.Color:Painted Black handle, Clear Green roller, Silver connector (bracket). 2. Materials: Wood Handle, PU Roller, Metal Connector(bracket). 3. Size:1.6" x 1.4"(Width*Diameter) Roller, 7.2" Total Length. 4. Designed for easier, more through application of auto sound deadening mats, heat abatement mats, and also wallpaper application. Instructions: This seam roller is constructed of a durable polyurethane(PU), The PU material is hard but also with a little softer, most suitable for auto deadening mats application. Wipe the roller well before use, especially no glue on the face of PU roller. In order to maximize their use and properties, the mats must be firmly pressed during assembly so that they perfectly adhere to the surface without creating any space with air bubbles. This roller can be used on any brand of adhesive matting. This seam roller is constructed by durable polyurethane(PU) roller held to a wooden handle with a riveted steel roller bracket. The PU material is hard but also with little softer, most suitable for auto deadening mats and heat abatement mats application. Also could be used for wallpaper application. Minimizes air bubbles and gets the best adhesion of deadening mats, make sure the best comfort in your car, van, truck or any other vehicles. This deadener roller is perfect for projects big or small, could be used on any brand of adhesive matting. Size:1.6" x 1.4"(Width*Diameter) Roller, 7.2" Total Length.