1. Material: metal2. The main fishing line can be quickly circled, and the hook can be quickly taken out along the line3. The head adopts a spiral design and guides the hook in the mouth through the fishing line to achieve the purpose of quick decoupling.4. Spiral design, easier to enter the fish mouth5. It won t hurt the thread and easily decouple6. Size: 12.5 cm7. Weight: about 20 grams

http://olla.gr/blind-stabbing-device-multifunctional-stainless-steel-fish-mouth-deep-throat-detacher-metal-blue/