Mortar Raking pin and Dust Guard Starter Kit Suitable for most 115mm and 125mm Angle Grinders Perfect power tool accessory for all repointing, mortar raking and chasing applications. Supplied complete with high-quality 8 mm x 35 mm tungsten carbide rake for high-speed routing of soft to medium mortar. Fast and efficient removal of mortar and cement joints in brickwork repointing applications and for chasing out channels to install cable, pipes, and switch boxes. When used with MY TOOL EXPERT raking guard rakes are completely dust free. Perfect power tool accessory for all repointing, mortar raking and chasing applications. This kit has been designed for dust removal while routing only a precision raking guide to prevent damaging the adjoining bricks.