Product Name: Lawn Mower Blades Material: Stainless Steel Color: Silver Size: Approx. 18×36 mm Features: - High-Quality Stainless Steel: Made from hardened stainless steel, which extends the blade's lifespan, improves performance, and reduces corrosion. - Dual-End Cutting Design: While the mower is working, the blades rotate on an elongated oval track, allowing both ends of the blade to cut. This doubles the cutting area for each blade. - Easy Installation and Replacement: Installed and replaced using screws. Simply turn the screws to replace them. The entire set of blades can be replaced in just 15 minutes. Standard mowers come with 3 blades, and this set can be changed 10 times. - Ideal for Use: Suitable for all types of Husqvarna Automower and garden mowers.Warm Tip: - Unit Conversion: 1 cm = 10 mm = 0.39 inches - Regarding Color and Size Differences: Due to lighting effects, monitor brightness, manual measurement, etc., there may be slight differences in color and size between the photo and the actual item. We hope you can understand! Thank you very much!Package Includes: 30 pieces of lawn mower blades with a screwdriver