Features: [Traction]: When the lawn is wet or the property has many slopes, the nails provide better traction for the robot lawn mower, helping to prevent digging into the lawn. With our L Robotic Spikes for Landroid, you can help keep your lawn robot on the surface and avoid lawn damage. [Premium Material]: Our spikes are made of stainless steel, which helps resist rust. Dimensions are 225mm x 2.5mm. Additionally, 12 stainless steel screws are included. [Easy Installation and Lawn Protection]: Simply insert the nail into the center of the wheel and secure it with the included screw. High-quality spikes help maintain a neat and healthy lawn. Helps prevent holes caused by your Landroid lawn mower robot. [High Compatibility]: The wheel size is 225mm and the spikes are compatible with all L models of Landroid lawn mower robots. Specifications: Model: TLWL-02 Material: Stainless steel Color: Silver Package Contents: 2 x Traction wheels 12 x Nails 1 x English manual Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.