HIGH QUALITY MATERIALS: Our Worx robotic lawn mower spikes are made of stainless steel and polished in an additional production step for a perfect look. All edges of the Worx traction improvement are deburred. PREMIUM QUALITY SCREWS: Stainless steel screws ensure easy installation of robotic lawn mower spikes. Thanks to the countersunk screw holes, the screws fit perfectly in the pegs and ensure your lawn mower robot has a perfect look. FOR LAWN: High-quality spikes ensure a beautiful lawn. Driving your Landroid Worx lawn mower robot, you can prevent your lawn robot from digging out and staying on the lawn, no more holes in the lawn. COMPATIBLE: Compatible with S and M models S300 [WR130E]; M500 [WR141E]; M700 [WR142E]; M1000 [WR143E]; S450i [WR101 SI]; S450i [WR102SI]; WR105SI]; S450i [WR106SI]; S700i [WR101 SI]; M800i [WR111MI]; M800i [WG757E]; M900 [WG758E]; M1000i [WG796E.1]; M1]. 00i ID B. [WR113MI]; M500 2.0 [WR165E]; M700 2.0 [WR167E] HIGH-QUALITY SERVICE: to provide you with the best products and best services, if you have any questions about the products, please feel free to contact us for help and solve your doubts Product size: 205*2mm Material: 304 stainless steel Nail Material: Aluminum Package Contents: SPIKES x 2pcs Torx countersunk self-tapping screw 12pcs manual Product size: 205*2mm Material: 304 stainless steel Nail Material: Aluminum Package Contents: SPIKES x 2pcs Torx countersunk self-tapping screw 12pcs manual