Product Description Features [Traction]: When the lawn is wet or the property has many slopes and hills, the spikes give the robotic lawnmower better grip, no need to dig into the lawn anymore. With our L Robotic Spikes for Landroid, you can prevent your robotic lawnmower from digging out and stopping on the lawn. [Premium Material]- Our spikes are made of stainless steel. A material-related advantage is that the spikes are rust-resistant and therefore . Dimensions are 225 mm x 2.5 mm. In addition, 12 stainless steel screws are included. [Easy installation and beautiful healthy lawn]: Simply insert the spike into the center of the wheel and secure it with the included screw. High-quality spikes create a beautiful lawn. No more holes in your lawn with your Landroid robotic lawnmower. [High compatibility]: The wheel size is 225 mm and the spikes can be used for all L models of Landroid robotic lawnmowers. Specifications: TLWL-02 Material: Stainless steel Color: Silver Package Contents: 2 x Traction Tires 12 x Nails 1 x English Manual Only the above package contents, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.