Wide Agreement: The size plan ensures compatibility with various trademarks and models of electric tools, solves the problem of replacing bearings frequently due to incompatibility of equipment, suitable for professional repairers and tool enthusiasts Precision Transfer Plastic Number Bag: Precision machined to ensure fluid and reduce resistance, making it ideal for high-precision electric tools such as exercise and scissors THIN CONSTRUCTION ADVANTAGE: Compared with traditional steel, aluminum alloy greatly reduces the weight and improves transportability, allows for quick installation without additional tools, suitable for frequent operation and adjustment during construction Low Noise Actparticlemail: The upgraded framework plan greatly reduces the noise intensity during operation, addressing user concerns in quiet environments, making it ideal for home workshop or nighttime construction Strong Aluminum Alloy Material Mail: Made of premium aluminum alloy, Manufacturer: Tertioi