This is an practical automatic Fishing Hook Tier Tool, it can fast Hook up the fishing hooks.It can automatically take the line tying on a hook, Easy to use, avoid fishing wire damaged by hook and Increase tension strength between hook and wire. Convenient, Fast and Portable. Feature - Color: Blue. - Material: PC. - Size: 8.4 x 6.5 x 1.75cm - Shell are made of durable PC material. It has stronger impact resistance, higher hardness and more fall resistance. - Easy to use,avoid fishing line damaged by hook. Large torque motor, tighter hook coil. - Increase tension strength between hook and line. The tie-up process are smooth and does not shake, and the coils are close and do not overlap. The amplitude is uniform, and noiseless. - Suitable for almost all fishing hooks. Power By: 2* AAA battery (Battery not included) - Competitive level fine binding, binding can be directly used in competition, strength and pure manual binding is no difference. No crease bending, inside hook handle, tidy line, short thread head. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand Thank you