Description 【Ergonomic Design】Ergonomically thickened handle design, the handle is soft and comfortable, and there is no injury and risk during work. Suitable for one-handed operation, reduces fatigue and energy, and can be comfortable even when working for a long time. 【Wide Application】The trouble-free ratchet mechanism is suitable for copper, aluminum, and thin-walled steel tubing, etc. It is widely used in sanitary and heating installations, floor heating, refrigeration and air conditioning, hydraulic systems.