The grass cutter wheel is small but provide stable . Suitable for shafts tubes ranging from 25.4mm/26mm, suitable for most backpacks mowers. The wheel flexibility is achieved by adjusting the nut, which makes your weeding work more efficient. The fixed adapter help to securely connection the wheel to the mower without loosening . Mower wheel is mainly selected from metal bracket, lightweight. Grass cutter auxiliary wheel with the mounting fitting is . Just use screwdriver to completec the installation in a few minutes.