MIRKA new mini ceramic grinding discs are manufactured with a high-quality grain with a finer crystalline structure. Such a unique mineral fracture provides the abrasive grains with an improved self sharpening effect. The new discs are only available in the "TR" roloc style.
MIRKA Ultra X Mini Grinding Disc, 2 in Diameter, 36 Grit, Ceramic Alumina Abrasive, Resin Fiber Backing, Type TR Attachment, Dark Red, Performance Tier: Better