Lightweight & Easy Installation: Lightweight design, the gears are effortless to install and replace without adding extra burden to your Fit: The hole ensures perfect alignment with your grass, minimizing wobbling and during operate while improving overall work efficiency Efficient Cutting: The 47 tooth large gear and 12 tooth small gear combination delivers super cutting efficiency, ensuring quick and precisely grass trimming results Wide Compatibility: This lithium grass gear set fit 8inch, 10inch, and 12inch cordless mowers, offering versatile use for different cutting needs and enhancing equipment flexibility Durability Construction: Made from highly strength aluminum cast iron, these gears provide excellent wear resistance and long last durability for stable over time, Manufacturer: Msioytog