The Zenport WM100 4-inch Walking Measuring Twin Wheel is designed to accurately measure distances on smooth hard surfaces up to 10,000 feet. Use it to measure on flooring, countertops, or smooth pavement in feet and inches, down to 1 inch. The dual molded wheels have a 4-inch diameter and allow stability and control for precise measurements. The lightweight aluminum handle quickly collapses down from 30-inches to 19-inches for easy storage. It is perfect for general contractors, home remodels, appraisers, estimators, crime scenes, or any project that requires accurate measurements of distances on hard smooth surfaces. This Zenport 4-inch twin measuring wheel has built-in features that enhance accuracy and add maneuverability and stability that allow you to stop, start, and move the tool as needed. Its rubber handle grip allows a comfortable secure grip. The counter tallies from zero to one in precise increments, providing meticulous accuracy for small spaces. The Zenport 4-inch measuring wheel is versatile enough to determine the length of a countertop for a kitchen or bath project or evaluate how much new flooring, molding, or baseboard you will need for any interior room. For outdoors, you can determine the length of a sidewalk, a driveway, or a patio. Appraisers can use it to accurately assess property or highway patrol can use it to analyze accident scenes. The Zenport 4-inch Twin Measuring Wheel has several additional convenient features. Its bright red color makes it easy and quick to locate on the job site or in a garage. Plus, it has a convenient reset switch on counter to quickly set it to zero for the next task.