Features [Traction]: When the lawn is wet or the property has many slopes and inclines, the spikes provide the robotic lawnmower with better grip, no more digging into the lawn. With our robotic spikes for Landroid, you can prevent your robotic lawnmower from digging and stopping on the lawn. [Premium Material] - Our spikes are made of stainless steel. An advantage of the material is that the spikes are rust-resistant and therefore durable. The dimensions are 205 mm x 2.5 mm. Additionally, 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 ensure a beautiful lawn. holes in your lawn with your Landroid robotic lawnmower. [High Compatibility]: The wheel size is 205 mm and the spikes can be used for all S and M models of Landroid robotic lawnmowers. S300 [WR130E]; M500 [WR141E]; M700 [WR142E]; M1000 [WR143E]; S450i [WR101SI]; S450i [WR102SI]; S500i [WR105SI]; [WR11MI]; M800i [WG757E]; M900 [WG758E]; M1000i [WG796E.1]; M1200i ID B [WR113MI]; M50000.0 2.0. [WR165E]; M700 2.0 [WR167E] Specifications: TLWL-01 Material: Stainless Steel Color: Silver Package Contents: 2 x Traction Wheels 12 x Spikes 1 x English Manual Only the above package content, other products are not included. Note: Light photography and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.