Features: 1.Assist tool that can be woven into knots. Increase tension strength between hook and line. 2.Allow you to easily, securely, and speedily bind the PE line and leader with FG knots. 3.Quality materials made, which is high-strength, lightweight and will not rust or deform easily. 4.Compact size and powered by batteries, so it can be easily carried and used effortless. 5.Powered by 2 x AAA battery(not included). Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Material: ABS Size: 11*6cm Battery: 2 x AAA battery(not included) Color/Style: As the picture shown includes: 1 x Knot Assist Winder(only) Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it