Grit-impregnated, top quality nylon fleece with top quality corundum abrasive cloth for uniform fleece and abrasive cloth usage. This wheel has a more aggressive impact than pure fleece wheels due to this. With a vibration-damping core for single, double and quadruple spline shafts, thus ensuring the disc runs perfectly (In addition, mechanically balanced – only available from Eisenblätter. See "Balancing" information on page 125). Metal: Applies a matt and satin finish and removes minor scratches, rust, oxide, etc. Wood: Smooths the surface and removes old paint, dirt, etc.