Features: [Traction] When the lawn is wet or the property has many slopes, the spikes 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 on the surface and maintain lawn integrity. [Premium Material] The spikes are made of stainless steel, which offers rust resistance and durability. Dimensions: 225mm x 2.5mm. Includes 12 stainless steel screws. [Easy Installation and Lawn Protection] Simply insert the spike into the center of the wheel and secure with the included screw. The spikes help protect your lawn by reducing damage and preventing holes caused by the Landroid Worx lawn mower robot. [High Compatibility] Designed for wheels sized at 225mm; 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 display settings may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3cm.