Istanbul Mehmet Cymbals Custom Series RMS20 20-Inch Sultan Medium Ride Cymbal Hand crafted in Istanbul, Turkey Controllable, Rich Sounding, Nice for Recording. Combination of Traditional and Turk Series Top has Unlathed Concentric Circle on the Bow and Unlathed Cup/Completely Unlathed. Bottom Available in 18", 19", 20", 21", 22"