Atturo Tire Corp. has expanded its coverage for the SUV and crossover market with the all-season AZ600 touring tire produced in Thailand with the company's Trail Blade series. The AZ600 offers drivers a comfortable ride, a stylish design and long tire life, the company says. The initial launch includes sizes from 16- through 18-inch. The expansion brings eight new sizes to the program as well as two which complement the comapny's higher performance AZ800.