311191 Foldable Handle Distance Measuring Wheel
Ideal for the precision measurement of roads, pavements or land, in addition for surveyors, builders, farmers etc.
Simply reset the counter to zero and then start to walk over the area that you want to measure and it will automatically record measurements as you walk.
Counter adds when moving forward and subtracts when reversing. Super clear and easy to read display with light facility for use in low light conditions.