The product is a set of 24 pink Sioux valve seat grinding wheels with a star drive 11/16" holder. The grinding wheels come in a wooden box and are made of aluminium oxide. The product offers a 60-day warranty with free returns and a refund policy that guarantees instant replacement or a full refund. The Sioux stones are designed for valve grinding and are suitable for use in automotive shops. Made in India, the grinding stones range in size from 25mm to 38mm and feature a star drive with ball thread design.
