Ideal for cleaning and surface-finishing items made from gold?? bronze?? copper or brass</br>Use a brass brush to create a soft?? satin or matte finish</br>Very effective on flat surfaces and in hard-to-reach areas like slots (brass wire is non-sparking and softer than steel)</br>Great for cleaning</br></br>Product Description</br></br>Wheel tip for general purpose use. Non-sparking and softer than steel. Will not scratch soft metals like gold?? copper?? brass. Pack includes two brass brush accessories.</br><br/>http://www.amazon.com/gp/product/B015PK3CHC