[High-precision Mechanical Structure]: Make it convenient and comreplacement fortable to tied hooks ,as small as 0.8# sleeve hooks and up to 13# hooks can be tied. [Useful]:Increase tension strength between hook and line.Suitable replacement for many types of hooks.Useful tool replacement for fishing lovers. [Material]:Upgrade PC material,compared with ABS material, the fishing hook hine's outer casing PC material has stronger impact resistance, higher hardness and more resistance to falling! [High Quality Motor]:Upgrade the high-torque motor,the coil is tighter, the high-torque and low-speed motor is stable and does not sway, the coil is tightly superimposed, the amplitude is even, soft and noise-free.Easy to use,avoid fishing line damaged by hook. [Professional]:Athletic level fine binding hook lines,after the tie-up, it can be used directly replacement for competition. There is no difference between strength and pure hand-binding. No creases are bent, the inside of the shank is tidy, the wire is neat, and the thread is short. [Useful]:Increase tension strength between hook and line.Suitable replacement for many types of hooks.Useful tool replacement for fishing lovers. [Useful]:Increase tension strength between hook and line.Suitable replacement for many types of hooks.Useful tool replacement for fishing lovers. Specification: Outer Casing Material: PC + ABS Color: Shown as picture Suitable replacement for fishing line: 0.1 0.2 0.4 0.5 0.8 1.0 1.2 1.5 2.0 2.5 3.0 4.0 Size: Approx. 84 * 65 * 17.5mm / 3.3 * 2.6 * 0.7in Weight: Approx. 62.5g Package List: 1 * Electric Tying Hook Device