Portable Distance Measuring Wheel 0~9999.9m Distance Measuring Roller for Multiple PurposeFeatures1.A thick non-slip wheel makes it ideal for precise measurement of roads, sidewalks, and land.2.Large-distance measuring wheel with a foldable handle, durable and robust.3.High-precision measuring wheel, perfect for conversion measurers, construction workers, farmers, etc.4.The mechanical dial increases when moving forward and decreases when moving backward.5.Measurement accuracy is ±0.5%. Specifications: 1. Type: Measuring Wheel2. Material: Aluminum Alloy + TPR Plastic3.Measuring Length: 0 - 9999.9 m4.Error Range: ≤0.5%5.Total Length (Adjustable): 50 cm – 110 cm6.Wheel Circumference: 0.5 m7.Handle Diameter: Approx. 30 mm8.Wheel Diameter: 159 mm9.Folded Size: Approx. 50 cm × 16 cm × 14 cm / 17.72 in × 6.3 in ×5.51 inPackage Contents: 1 × Measuring Wheel