Designed for bending tube in a wide range of 180 degree. Just one tool works on 2 sizes of tubes: 15mm, 22mm, practical and economical. Made of hardened steel, it is heavy duty and durable in use. The non-slip handle is comfortable to grip and operate. Perfect bending tool for copper tubes and aluminum tubes with small pipe diameter. Widely used in air conditioning, ventilation systems, electronic wiring, automotive heating system, etc.