Thank you for looking! This product is an automatic needle tying machine! When making original fishing rigs or reattaching a hook after the leader has been cut, it can be very troublesome to do it by hand. So, let's rely on a machine for this! With an automatic needle tying machine, such tedious work can be reduced, allowing you to focus on fishing! Product Contents Automatic needle tying machine body (design as shown in photos) Dedicated case Product Specifications [Compatible Needles] Iseama #1 to #15 Sode #2 to #12 Sizes equivalent to the above needles can be used. [Compatible Leader] Leader #0.1 to #8 [Size] Approximately 89 x 67 x 18mm [Weight] Approximately 62g (excluding batteries) [Power Source] 2 x AAA dry batteries (sold separately) [Shipping Method] We will ship via anonymous shipping using YuYu Mercari便 or RakuRaku Mercari便. Mercari便 can deliver faster than regular mail because it also ships on weekends and holidays! We have also included an original manual in the product images, so please use it! If anything is unclear or you want to see how to use it in a video, you can find many on YouTube! (The seller also learned how to use it from YouTube lol) If you have any questions, please feel free to ask in the comments. Also, the price is set quite low, so discounts on single items are difficult, but please feel free to discuss bulk purchases. Thank you! We have other items for sale, so please take a look! #kinachan Needle tying machine Fishing Fishing #kinachan