1. High Quality: These blades are made from high quality stainless steel with an extra titanium carbide coating to a 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 / For / For mowers. Single chip size: 35x18x0.75mm/1.37x0.70x0.029inch For :R38Li,R40Li,R45L,R5Ou,R7OU,R75L,R8OL, R10OLI,R130L,R16OLI,R165,R180,SILENO,SlILENO+ For 105,220AC,230ACX,260ACX,265ACX,305,,310,315.320,330X,420,430X,440,450XSolarhybrid,G1 For : SC600,SC 600 Eco, sC 900 Colour:Gold + Silver Material:Stainless steel Package Contents: 18x Lawn Mower Cutting Accessories 18x Screw 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.