Aain TM005 Tri-foldable Measuring Wheel ABS Plastic and Aluminum 4-Inch Measuring Wheel Perfect surveying Tool For Distance Measurment

*The 4-inch diameter measuring wheel is ideal for indoor measuring on smooth hard surfaces. *Compact for convenient use. Applications include adjustors appraisers decorators insurance agents painters realtors and countless others. *Popular with realtors appraisers roofers Law Enforcement and homeowners. *This is perfect for quick square footage measurements and distance measurements on tracks and field. *It locks out and back in easily and dependably and is made of stronger materials than cheaper models.