1. High Quality: These blades are made from high quality stainless steel with an extra titanium carbide coating to ensure a sharp blade that cuts even the toughest grass with ease. And these blades are tough enough to withstand the wear and tear of everyday use, providing reliable, long-lasting performance. 2. Low Maintenance: With low adjustment rates and smooth cutting capabilities, these blades are specifically designed to reduce the need for frequent sharpening and maintenance, saving you time and money. 3. High Efficiency: The superior efficiency of these blades means you can work faster and more efficiently, cutting more grass in less time and increasing your productivity. 4. Easy to Install: These blades can be quickly and easily installed on a lawn mower, allowing you to quickly meet the need for blade replacement. 5. Adaptable Machines: These blades can be adapted to most models of for Gardena/Automower/Yardforce mowers. Suitable mowers: Compatible with for Gardena:R38Li,R40Li,R45L,R5Ou,R7OU,R75L,R8OL, R10OLI,R130L,R16OLI,R165,R180,SILENO,SlILENO+ Compatible with for Automower 105,220AC,230ACX,260ACX,265ACX,305,308,310,315.320,330X,420,430X,440,450XSolarhybrid,G1 Compatible with for Yardforce: SC600,SC 600 Eco, sC 900 Color:B:Silver/A:Gold Material:Stainless Steel Package Contents: 18 * stainless steel mower blades 18 * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.