The Scale Master II v3.0 Model 6130 Digital Plan Measuring System is a hand tool designed for precise measurements in various industrial and business applications. Manufactured by Calculated Industries, this wheel measurer offers digital display and accurate measurement capabilities. With a unit quantity of 1, this product is a reliable tool for professionals seeking reliable and efficient measuring solutions. Made in China, this unit is a valuable addition to any workshop or toolbox, providing users with the necessary tools for accurate measurements.