... choose. Our products of ceramic media, procelain media, plastic media, and other media find wide applications in the ... ; cylinder, angle cut cylinder; ball; ellipseangle cut ellipse; etc.plastic media ---cone(10x10mm, 15x15mm, 20x20mm, 25x25mm, 30x30mm, 35x35mm, ... 40x40mm, etc.); tetrahedron(20x20mm, 30x30mm, 40x40mm)high porcelain polishing pins---cylinder(1.5x5mm, 2.5x8mm, 3x10mm, etc.) Features of ...