Multi Size Compatibility: Available in 3 / 4 / 5 / 6 / 8mm bore sizes to accommodate different shaft diameters, making it ideal for both small household devices and large industrial machinery with versatile installation requirements erosion Resistance: The alloy construction excellent anti erosion properties, extending product life in humid or corrosive environments such as outdoor equipment and industries Easy Installation: Requires not complex tools for quick setup, providing user friendly operate and saving time, especially beneficial for equipment needing frequent adjustments or replacements Alignment Design: The flange structure secure accurate shaft alignment, minimizing mechanical failures caused by misalignment, perfect for high accuracy applications like automated production lines and accuracy instruments Efficient Power Transmission: produced of strong alloy component, this flange coupling ensures stable and efficient power transfer in various mechanical transmission applications, suitable for industrial equipment and home improvement projects with enhanced wear resistance, Manufacturer: kmgfsd