Second Skin Wooden Hand Roller Heavy Duty Sound Deadener Installation Tool MADE IN THE USA The perfect tool to install Damplifier and Damplifier Pro. The roller end is used to push the products tight against smooth surfaces and the handle end works perfectly for tight crevasses. Thick steel roller support prevents bending Built tough to finish the project. Used to press the butyl vibration sheets Damplifier and Damplifier Pro tight against the project area