Features: ●Made of high-quality stainless steel, resistant to acid and alkali, no rust problems, and can work well in rainy days. ●The double-sided blade with screws is easy to install and remove. Only an ordinary screwdriver is needed and it is very easy to replace. ●The blade allows you to effectively shorten the lawn. The automatic lawn mower can last about 200-250 hours of mowing for time. The perfect cut keeps the lawn and keeps the lawn clean, green and healthy. ●Versatility: Suitable for all types robotic lawnmowers. The accuracy of the blade and screw is suitable for the original. ●Ultra light and thin, but strong and durable. Specifications: Material: Stainless Steel Color ：Silver and Gold Size: Approx. 35x18mm/1.37x0.7inch Package Includes: 30 PCS Lawn Mower Blade（Included screws） note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.