The X Mat Application roller is a must for any sound and/or heat abatement with an adhesive backing. Can be used to contour & flatten the mat as well as get into hard to reach areas & apply an even load distributing the adhesive & the mat. The roller is constructed of a durable urethane held to the wooden handle with a riveted steel roller bracket. This is a solid tool with two inch wide roller to make installation consistent & easier. Can be used on any brand of adhesive matting. Contains one tool.