Description: 【Flexible Wheels Adjustable Height】The wheel flexibility is achieved by adjusting the nuts. The height of the support wheel can be adjusted according to the user's height, can increase or decrease, which makes your weeding work more efficient 【Professional Accessories】Weeding Trimmer Adjustable Support Wheels perfectly suitable for most backpack mowers on the market 【With Mounting Connector】The fixed adapter helps to securely connect the support wheels to the mower without loosening them and you can freely adjust the height of the auxiliary wheel 【Premium Material】Mower support wheel is mainly made of PP wheel and metal bracket, connector adapter is made of aluminum, durable and lightweight 【Easy to Install】Grass cutter auxiliary support wheel with the mounting fitting is easy to install. Just use a screwdriver to complete the installation in a few minutes Size Chart: 33.5cmx20cm/13.19inchx7.87inch Package Includes: 1 Auxiliary Support Wheel 1 Mounting Fitting Note: Please allow slightly errors due to manual measurement and different monitors.