As of November 2022, these 3,000 grit, 0.5x2x100mm New SuperStones joined the already extensive offering of 9 color coded NSS grits from 80 to 1200 - making a total of 12 color coded grits 80 to 3,000. All made in Japan. 

Strong yet incredibly flexible! Incorporating the latest technology in ceramic stones, the New SuperStone Ceramic Stones offer an improved cutting ability, increased heat resistance, and longer life. Made of long ceramic fibers that will not break even under the most strenuous conditions, the New Super Stones can be used in ultrasonic polishers, reciprocating profilers, or by hand. Impart uniform surface finishes on molds, dies and precision components. Produce excellent finishing results on stainless steel, copper, aluminum, alloys, silicon, and magnetic materials. 

These strong yet flexible stones are ideal for polishing small intricate areas on all types of metals producing consistent and uniform surface finishes. New SuperStone Ceramic Stones are non-loading and can be shaped by the user to best suit their application. Impart uniform surface finishes on molds, dies and precision components. Produce excellent finishing results on stainless steel, copper, aluminum, alloys, silicon, and magnetic materials. Dress with a Coarse India Bench Stones (361-0241 and 361-0141).