🔧 Elevate Your Engineering Game! Weighs only 30g, making it easy to integrate into your projects. Crafted from high-grade aluminum alloy for long-lasting performance. Engineered to absorb vibrations, ensuring smooth operation. Designed for optimal torque transmission and flexibility. Perfect for CNC machines, servo motors, and stepper motors. Super Torque Flexible Design 5-8mm Diameter The Befenybay 2PCS 5mm to 8mm Aluminium Plum Flexible Shaft Coupling is a high-performance connector designed for 3D printers, CNC machines, and servo motors. With a compact size of 25 x 20 mm and a lightweight design of just 30g, this coupling offers exceptional torque transmission and vibration absorption, ensuring reliable and efficient operation in various applications.