●1. Durable steel forging: overall heat treatment, large torque, excellent toughness, and strong top view ●Thick connection: stable connection, more stable and strong ●3. Towing Removable Bearing: Disassemble ball bearings, adjust screw rod and secure broken objects ●4. Smooth thread: smooth and save money ●5. Small and easy to carry: The product is small size, lightweight and has very little space