RT300 CST/berger 11-1/2” Single Measuring Wheel Feet With Stand (Rolatape) RT300 CST/berger 12-1/2” Single Measuring Wheel Feet With Stand (Rolatape) features an ergonomic plastic handle offering comfortable grip while measuring and a magnified counter handing readability. RT300 CST/berger 12-1/2” Single Measuring Wheel Feet With Stand (Rolatape) features a 3-section telescoping shaft for easy collapsibility, transport and storage. RT300 CST/berger 12-1/2” Single Measuring Wheel Feet With Stand (Rolatape) is optimal for outdoor use and the axel-drive system offers accurate measurements to the nearest inch up to 10,000ft.