High Quality: This multi-function wrench is made of high quality high carbon steel with high toughness, hardness and good grip. The surface is electroplated to prevent rust and can be used for a long time. Size: The big key size is 28.5cm/11.2inch and the small key size is 21cm/8.26inch. Two different sizes of keys can meet your different needs. Non-slip handle: Ergonomic double-line non-slip handle, comfortable in the hand, not easy to slip during use, due to its small size, you can easily carry the quick wrench kit wherever you need. Adjustable Design: The clamp of the N-type wrench is adjustable. If you need to adjust nuts of different sizes and shapes, simply adjusting the wrench can help you save time and effort. Wide Range of Uses: Suitable for tightening and loosening various shapes of pipes and fittings, such as nuts, pipes, taps, valves etc. It is also very suitable for repairing or replacing kitchens, bathrooms, motorcycles, etc. Specifications Material: High carbon steel