Forestry Suppliers offers this combination measuring wheel and marking wand that allows surveyors to measure and mark at the same time. Ideal for use on rough terrain, the Model 400PM features steel construction, a single English counter, a wheel brake to prevent the loss of an existing measurement and a built-in stand. Range: 100,000¿. 15-1/2" diameter (4¿ circumference) wheel. To learn more visit Forestry Suppliers at www.forestry-suppliers.com or call and request their 600+ page catalog by calling 800-360-7788. Their new catalog 54 is now available presents hundreds of new products. All products are backed with their 100 percent guarantee and free technical support available on the web or phone.