An essential tool for an easy and effective application of your sound deadening mat. This allows for even pressure of application, minimizes air bubbles and achieves the best adhesion. Car audio sound deadening application roller, features wooden grip handle, silver tone solid metal roller. This application roller allows for even pressure of application, minimizes air bubbles and achieves the best adhesion. The quality timber handle allows for a comfortable grip as well as doubling as a convextool which can be used to form product into concave shapes. Package included: 1 x sound deadening application roller