Material: Roller：metal Handle: wood Package: 1 x 0.24inch/6mm Roller 1 x 0.79inch/20mm Roller 1 x1.57inch/40mm Roller ITEQ car sound deadening roller is constructed by high-quality metal wheel with a riveted steel roller bracket. The wheel has fine flat topping ridges which can minimize the air bubbles and get the best adhesion of deadening materials It’s a perfect tool set for all types of sound deadening mat, to minimize air bubbles, perfect for installing car insulation materials. It's also a perfect carpet roller, seam roller, wallpaper roller, tape roller and adhesive roller 3 sizes of rollers apply to different access and radii. With the large one you can roll longer flat sections for time saving, and get in tight corners such as curves, center console and pillar spots with the smaller ones Package including 3 sizes of rollers: 1pc of 0.24inch (6mm) roller, 1pc of 0.79inch (20mm) roller and 1pc of 1.57inch (40mm) roller One year warranty! 100% money back or replace anytime in 6 months. Any question, please feel free to contact us!