✅Guaranteed compatible:100% compatible with ALL Mammotion Luba and Yuka series of robotic lawnmowers.(LUBA AWD 1000 to LUBA AWD 5000 | LUBA 2 AWD 3000 to LUBA 2 AWD 10000 | YUKA 600 to YUKA 1500,etc.) ✅First-Class Workmanship Blades: Our blades are made of high-quality stainless steel with a titanium carbide alloy. This makes them durable, robust, shatterproof and corrosion-resistant. In additional, 2 hole design blades can be flipped and used on both sides,Can be used up to 4 times. ✅ Quality Screws and Washers – These galvanized screws have a good anti-rust and anti-corrosion effect. The safety varnish and plastic washers protects against vibration-related unscrewing. ✅High-quality Cutting Performance: These replacement blades produce an evenly smooth cutting pattern, the result is a beautiful, even lawn pattern and thus a permanently healthy lawn. ✅Box contents: 36 x replacement blades including screws and washers.