Tension at: When the lawn is wet or the property is on a slope with many ups and downs, the spikes give the robotic lawnmower better traction, no more digging in the lawn. With our M robot spikes for Worx Landroid you prevent your robot lawn mower from digging and leaving it in the lawn. High quality material: our spikes are made of stainless steel. A material advantage is that the tips are stainless and therefore durable. Dimensions are 209mm x 2.5mm. In addition, 12 stainless steel screws are included in the delivery. Easy to install: simply center the spikes on the wheels and secure them with the screws provided. Beautiful lawn and healthy: The high quality spikes ensure a beautiful lawn. No more holes in the lawn while driving your Landroid Worx robot lawn mower. High compatibility: With a wheel size of 205 mm, the tips can be used for all S and M models of the Landroid robot lawn mower. S300 [WR130E] M500 [WR141E] M700 [WR142E] M1000 [WR143E] S450i [WR101SI] S450i [WR102SI] S500i [WR105SI] S450i [WR106SI] S700i ] [WR1011] M800i [WG757E] M900 [WG758E] M1000i [WG796E.1] M1200i ID B [WR113MI] M500 2.0 [WR165E] M700 2.0 [WR167E] Note: No original accessories. Note: The picture is for reference only, please refer to the actual product, thank you. ! ! (excluding robot mower) Product name: Crampons Material: Stainless Steel Color: Stainless Steel Primary Color Size: As Shown Weight: About 545g Package content: set of 2 pieces.