G.R. Stone carries a full line of granite, marble and quartz. Concrete_Gray S103 hi-macs is ideal for kitchen countertops, bathroom vanities, bar tops, accent walls and more. Concrete_Gray S103 may not be in stock. Our availability changes often but many stones can be ordered. Please confirm with your G.R. Stone salesperson for inventory details. Please visit our showroom in Kenilworth, NJ.