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 Worx Landroid, you can help keep your lawn robot stable and on the lawn. [Premium Material]: Our spikes are made of stainless steel, which is rust-resistant and durable. Dimensions are 225mm x 2.5mm. Includes 12 stainless steel screws. [Easy Installation and Beautiful Healthy Lawn]: Simply insert the nail into the center of the wheel and secure with the included screw. The spikes help maintain a clean, undamaged lawn surface. No more holes caused by your Landroid Worx lawn mower robot. [High Compatibility]: Wheel size is 225mm; spikes are compatible with all L models of Landroid lawn mower robots. Specifications: TLWL-02 Material: Stainless steel Color: Silver Package Contents: 2 x traction wheel, 12 x nails, 1 x English manual. Only the items listed are included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3cm.