Fishing Hook Knotter Battery Operated Hook Tying Machine Automatic Hook Rig Tying Machine Lightweight Inside Knotting Fishing Tackle Note: This page is for the transparent black color. Blue color is sold out. Please understand. Easy to use, a portable version for fishing hooks. Suitable hook sizes (approximate): Maruseigo 1-9 / Iseni 1-10 / Gre 3-7 / Chinu 1-10 / Madai 7-13 / Kawahagi (Speed) 7-8 / Karei 8-16 / Kitsune 0.8-10 / Sode 2-12 / Herasure 2-10. Suitable leader: 0.3-6. Recommended for use with 0.8-4 line. Thin lines may curl. Weight: Approximately 70g / 61g (excluding batteries) Power supply: 2 AAA batteries (sold separately) No instruction manual, please see photos 2 and 3. Made of ABS + stainless steel motor, it is not prone to aging and has excellent rust resistance. The electric automatic tie hook allows for convenient and comfortable use. It is also possible to easily tie small hooks. Note: Since this is an imported product, there may be some scratches due to transportation. Please understand.