COMPATIBIBILITY: The titanium mower blades are compatible with all models and types and types of Husqvarna and Gardena automachers: such as 220AC 230ACX 260ACX 265ACX 305308310315320 330ACX 420 430X 440 450X 105 G1 G2 YARDFORCE McChulloch SOLARHYBRID NO. Outstanding Cutting Performance: 0.75mm thick titanium replacement blades with smooth edge, sharp and durable, this lawn mower blade will improve the performance of your lawn mower, which will will allow you to mow your lawn efficiently. Premium Quality: The blades of the automatic trimmer are made of high quality stainless steel with titanium coating, excellent rust resistance, anti-acid and alkali, wear-resistant and long service life. With titanium alloy to ensure perfect durability in all weather. Easy to Change: These edger blades are double sided, very easy to install and change with 30 screws, you can reverse while one side is blunt. Keep your lawn clean, green and healthy. Package includes: a set of 30 lawn mower blades and 30 screws.