Great Measuring Performance】This Telescopic Mechanical Distance Measuring Wheel has a great measuring performance; it has a large 16cm/32cm wheel diameter and an accurate mechanism record meter for 0-9999.9m distance and the error is within 0.5% which almost can be ignored; great performance for professional measuring work✔【Quality Durable Material】This Precise Road Measuring Wheel is made of extra thick TPR material, high wear resistance and anti-deformation, non-slip surface is suitable for any road condition and extreme weather; high quality for long durable service life✔【Easy Operate Wide Application】It is also rather easy to use this Mechanical Distance Measuring Wheel, the record meter is driven by a mechanical gearbox, the forward counter is increased and the backward counter is reduced; pretty easy to operate and accurate record, suitable for surveyor, builder worker, farmer for precision measurement of roads, pavements or land✔【Convenient Smart Design】The length of this Digital Mechanism Measuring Wheel perfect size for comfortable use, no need to bend, suitable for long term use; besides it has a support stand which allows you to fix it on the record point if you want to have a rest, no need extra mark out the record point;moreover this measuring wheel is Telescopic and can be stored in our carry bag, super convenient to carry and use✔【Satisfactory Guaranty 】Our products are all new and they will sure meet with your requirement but if you have any problems with them you can feel free to contact us and we are happy to solve them for you in any time.