Convert your grass string trimmer to a wheeled edger in just seconds. Adding this wheels, your Head Angle can rotate 180 degrees,which allows you to work effectively at a comfortable working angle. It can support and guide the edger, giving you straighter lines and cleaner cuts. Double front wheel assistance, more comfortable to work for a long time. Improve the work efficiency of gardeners. Diameter of Wheels Assembled: 29cm/11.42inches Diameter of a Single Auxiliary Wheel:12cm/4.72inches Material: Plastic colour: Black + Red Package Contents: 1 x Removable Lawn Mower Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.