The knife set with 9 replacement blades and 9 screws is an essential accessory for robotic lawn mowers and garden machines. This set is specifically designed to optimize the performance and efficiency of your automower. The high-quality replacement blades ensure precise and even cutting performance, while the included screws allow for easy and secure installation. Made in China, this set offers a practical solution for the regular maintenance of your garden machines. With a total of 9 replacement blades per unit, you are well-equipped to extend the lifespan of your robotic lawn mower and simplify the care of your lawn. Using compatible replacement parts helps maintain the functionality and reliability of your devices. This knife set is a sensible investment for anyone who values a well-kept lawn.