Measuring Wheel, 1. Specification: dia in 20cm 2. Measuring limit: 9999m 3. Packaging: Each in a canvas bag or colorful box. Distance Measuring Wheel, length measurement with aluminium stretchable handle.Using for engineering or walking.1. Item No.: JN27-C2. With Aluminum stretchable Handle3. Specification: dia in 20cm4. Measuring limit: 9999m5. Packaging: Each in a canvas bag or colorful box6. ...