The Bumper Guards (191X35-7) are for use with the Makita 18V X2 LXT® Brushless Cordless Smart Robotic HEPA Filter Vacuum (DRC300, sold separately). The non-marring bumper guards prevent damage to furniture, baseboards, doorframes, and walls. The Bumper Guards install quickly and easily for added user convenience. Constructed of durable, high-quality materials for long product life.