CST/Berger 32-400D Rolatape 400 Professional Series Dual Counter Measuring Wheel. The Rolatape 400 Series Measuring Wheel is a tough, all-purpose distance measuring tool with a 15-1/4" diameter wheel. With a 4-foot circumference wheel, the Rolatape 400 will handle the toughest measuring and estimating needs for heavy construction, large commercial operations, utility companies, land surveying and other critical measuring applications. When measuring demands are tough, the Rolatape 400 Series gets the job done and holds up to the task.