3 PCS Sound Noise Insulation Tool - Vehicle Sound Deadener Roller * Specialized tool that will largely help to correctly install the soundproofing materials . * Well built, Heavy construction, Sturdier than most, Applied it to all the door panels! * The metal roller is a must have tool if you want to effectively install your sound deadening without getting back and correcting the spots. * Really awesome vehicle sound deadener roller, makes the job ten times easier. Specifications: Short Wooden handle, Metal barrel roller, Corrugated profile Dimensions of Roller's Wheel Roller Width: 7mm/0.3in, 20mm/0.8in, 40mm/1.6in Roller diameter: 35mm/1.4 inch Handle length: 5 inch USE TIIPS: 1. make sure that you really press it in as much as you can because that's what makes it stuck and what makes it works; 2. apply the vibration damping material and roll it down firmly with our roller avoid air blisters formation(they will accumulate condensate); 3. control the quality of rolling down, the texture is almost unseen with all their material down properly. Package Included: 3 Pcs Car Sound Deadening Hand Roller Sound Noise Insulation Tool 3 Pcs Car Sound Deadening Roller: 3 different sizes of sound deadening roller, so that it can allow the sound insulation pad to be mounted more effectively on the surface of the car. Metal Roller: Car sound deadening roller comes with a metal wheel which gives the roller tool some heft thus it’s easier to create tight seals all around. The short ergonomic designed wood roller handle is easy to hold and hard to tear apart. Corrugated Wheel: This car sound deadener roller has slight grooves on the wheel to prevent sliding or slipping. The corrugated wheel can leave ripples imprint on some sound deadening material surface. Thus you will neither miss anywhere nor roll the same place twice! Metal Car Sound Deadening Roller: This sturdy metal roller is better than rubber roller, wood roller, PU roller or silicone roller! Easy to Carry: Our Sound Deadening Roller installation tools are compact and easy to carry, which can solve problems well.