General description vhbw offers a clever solution with its high-performance replacement blades designed for robotic lawnmowers. These durable blades ensure a perfect, clean-cut lawn with an even surface, making them ideal for maintaining your garden. The robust design allows for thorough mowing, and the blades can be easily and quickly fixed in place using the included screws. To achieve optimal results and maintain balanced axle load distribution, it is recommended to replace all lawnmower blades simultaneously. Technical specifications Thickness: 0.75 mm Dimensions (length x width): approx. 35 x 18 mm Length: approx. 35 mm Mounting hole diameter: 5.3 mm Weight (total): 43 g Sharp on both edges Material: steel Colour: silver Width for central bore: 8.3 cm Compatibility and accessories Compatible with: Yard Force X100i, Revola, SA900B, SA650B, NX80i, X50i Replacement for: AR1, 4087-20, 502 12 78-02, 535 13 87-02, 535 13 88-02, 577 60 64-02, 577 60 65-02, 577 60 65-04, 577 60 66-02,