6" P400B Carbo Medalist Dri-Lube PSA Stick-On Disc (100/roll) Application Info: Discs with patented ceramic grain is the perfect solution for hard-to-sand and self-healing clears. Ideal for scratch resistant clears, E-coat, composites and aluminum. Carbo Medalist ceramic paper line ranges from 80gr to 1500gr Top Quality product for high-end repair facilities that want to work with the best, most efficient, time saving paper on the market.