PoliKing® series of surface finishing ceramic media has more than 6,000 different types for various applications, the materials ranging from ceramic, alumina, brown corundum, white corundum, silicon carbide with different shapes such as triangle media, ball media, tri-star media, oblique triangle media, four-star shape media, elliptical media, grain media, fan media, cubic media, pyramid media, etc Applications: Mainly used for mass grinding and surface finishing, such as deburring, derusting, oxidation layer removing, etc