Excessive build-up of compound and metal on the wheel can scratch the surface you're trying to buff. Use this Buff Rake to remove that residual compound and metal from the buff wheel to ensure a smooth cut. It's especially necessary when buffing softer metals like brass and aluminum. Tightly hold the buff rake and apply light pressure to the spinning wheel. Can also be used to "true" an out-of-balance buff. Features at a glance: Create a smooth and uniform buffing surface 4-1/2"-long rake section 15"-long wooden handle Do the job right with Eastwood !