Add those extra touches with custom designed, color coordinated accessories that fit your sink models. Maximize the function of your sink and complement the look of your kitchen area. Our newest selection, Schock-Houzer granite sinks, offers 13 wonderful colors, the widest color assortment available today and in two proprietary breakthrough materials, CRISTALITE+ and CRISTADUR, only found on Schock-Houzer granite sinks. Both materials were developed by Schock, GmbH, the German manufacturer that invented the granite sink more than 30 years ago. Approximately 75% of the nearly 2 million granite sinks produced annually are manufactured with the Schock proprietary method, underling the company"s international leading position in sink technology.