Features Maximum Capacity: Accurately measure up to 999.9m. According to the usual tape measure distance wheel, it will be the same measurement. The measurement of straight lines and curves is easy, whether for private or industrial use. Push Button Rest The measurement is reset to zero. Ease of Use: One-button reset, larger stand, redesigned joints, threaded TPR tires for increased friction, home position markers, comfortable handle grip, aluminum handle is lightweight and easy to grip. Portable and Accurate: Small enough for indoor measurements on smooth, hard surfaces and large enough to work outdoors for your measurement needs. Accuracy is ±0.5%. The forward count is increased and the backward count is decreased, effectively avoiding errors. Who Uses It: The measuring wheel is great for indoor, outdoor projects, and also great for real appraisers, law enforcement officers, construction workers, beautifiers, and homeowners to measure your property's boundary lines. The tool is versatile and can be used on a variety of indoor and outdoor projects, making it ideal for real estate appraisers, law enforcement officers, construction or landscaping workers, and homeowners. Different Environments: With strong and durable rubber, the walking rollers are suitable for all environments - grass, concrete, gravel, dirt and more! Sturdy - Walking wheels are perfect for professional work projects or school events. Extremely accurate makes it useful to measure the boundaries of your property and community. Features: 1.Accurately measures up to 999.9m. 2.Push Button Rests Measuring to Zero. 3.TPR elastic plastic tires resist corrosion. 4.The aluminum handle is light and easy to hold without being tired. 5.Small enough to make it perfect for indoor measuring on smooth, hard surfaces and large enough to work its way outdoors for your measuring needs. Specifications: Color: As shown in the picture Measuring range: 0-999.9m Product Net Weight: Approx.308g/10.9oz Product Extension Length: Approx. 1010mm/39.8in Product Shrinkage Length: Approx. 450mm/17.7in Telescopic Rod Specifications: Approx. 16mm-19mm-22mm/0.6in-0.7in-0.9in(D) Telescopic Rod Material: Aluminum tube, Thickness: Approx. 0.7mm/0.03in Wheel Diameter: Approx. 106mm/4.2in Wheel Width: 20.5 mm/0.8 in Wheel Material: ABS Wheel Tread Material: TPR elastic plastic Hand Grip Material: TPR elastic plastic Package List: 1*Measuring Wheel Package List