1. High-quality aluminum alloy surface processing aluminum tubes
2. Reinforced center pipe, providing good support
3. Special design of the pipe, providing better safe load
4. Reducing friction voice and echo
5. Non-slip rubber pad, providing good ground friction ability, built-in metal gasket, strengthening its durability
6. Specifications of adults: S, M, L number, suitable for 1.5 meters - 1.9 meters patients use