This cymbal involve a great amount of surface treatment. Its top feature a raw bell, tight lathing and a natural finish over two-thirds of the bow. The outer third is heavy hammered but unlathed. The underside of the cymbal has a reverse lathed bell, an unlathed two thirds of the bow and a lathed outer third. The lathed areas are brightly polished........ Turkish Cymbals ,Hand Cast, Hand Hammered, Hand Lathed. For centuries, cymbals have been made in artisan workshops in Istanbul, Turkey, the acknowleged home of quality cymbal making. Cymbal alloys (most notably B20 alloys) have secret recipes passed through generations and each Turkish Cymbal is hand cast, rolled whilst hot, hammered by skilled artisans and tested to give the unique sound the Turkish Cymbals have, before being finished on a lathe. Only by hand making can the cymbal be worthy of a top-flight drummer. Each cymbal has its own individual overtones and "DNA", whilst being broadly similar to its brothers. Your sound is unique with Turkish Cymbals. Probably the finest cymbals on the planet.