Rolatape Model 400 Distance Measuring Wheel $135.95 Rolatape Model 415 Distance Measuring Wheel $137.95 Rolatape MM-12 Distance Measuring Wheel $39.75 Rolatape MM-30 Distance Measuring Wheel $89.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.