Tension at: When the lawn is wet or the property is on a slope with many ups and downs, the spikes provide the robotic lawnmower with better traction, reducing the risk of digging into the lawn. With our M robot spikes for Worx Landroid, you help prevent your robot lawn mower from digging and leaving marks on the lawn. High quality material: Our spikes are made of stainless steel. A benefit of this material is that the tips are rust-resistant and durable. Dimensions are 209mm x 2.5mm. Additionally, 12 stainless steel screws are included. Easy to install: Simply center the spikes on the wheels and secure them with the provided screws. Beautiful lawn and healthy: The high quality spikes help maintain a clean, undamaged lawn. No more holes or damage while operating your Landroid Worx robot lawn mower. High compatibility: With a wheel size of 205 mm, the spikes are suitable for all S and M models of the Landroid robot lawn mower, including 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: Not original accessories. Note: The image is for reference only; please refer to the actual product. (Robot mower not included). Product name: Crampons. Material: Stainless Steel. Color: Stainless Steel. Primary Color: As shown. Size: As shown. Weight: Approximately 545g. Package content: Set of 2 pieces.