The K1K2K3 series car wash machine transmission gear bearing knuckles features accuracy metal machining for stable and efficient power transfer gear meshing reduces noise and vibrations during use, making it ideal for residential areas or noise sensitive environments Enhances user comfort while maintaining high Made from high strength metal, this gear resists deformation and breakage under high pressure water flows Perfect for intensive cleaning tasks like large vehicle washing, ensuring long term reliability in demanding conditions Designed to fit K1K2K3 series car wash machines seamlessly, it enables tool release installation Simplifies part replacement for DIYers and technicians, saving time and effort during maintenance Suitable for cleaning small cars to commercial buses, this gear set meets cleaning needs A must have for homeowners and fleet managers seeking efficient, sturdy washing results, Manufacturer: FROMCEO