Rolatape RT312M 11-1/4-Inch Single Measuring Wheel Metric 12.5-Inch Aluminum wheel Collapsible for easy transport and storage Quick clamps included Measuring range of 10,000 meters Comfortable, ergonomic pistol grip Lightweight and compact Precision molded tire on an aluminum spoke for accurate measuring and increased durability Counter with reset switch reads to 1-inch increments 3-section aluminum telescopic handle quickly collapses with quick clamps for easy storage