Complement your cleaning collection with the RYOBI 2 PC. Medium and Hard Bristle Grout Kit , the ultimate cleaning solution for everyday surfaces and tight spaces. Designed to provide effective cleaning, the medium and hard bristles are perfect for cleaning around your bathroom, kitchen, and more. The cone design of these brushes effortlessly navigates hard-to-reach areas and corners. This kit is compatible with the RYOBI USB Lithium Detail Scrubber (FVG52K) and includes a Medium Bristle Grout Brush and Hard Bristle Grout Brush.