good quality: These blades are made from good 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. 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. 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. Adaptable Machines: These blades can be adapted to most models of for mowers. 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. Color:B:Gold Material:Stainless Steel Package Contents: 30 * Lawn Mower Cutting Blades Set 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.