这是一款棘轮鱼竿绕线器，需要使用的电烙铁加热镶嵌螺母，两颗五毫米宽两毫米厚的磁铁，一颗m3的螺丝/This is a ratchet fishing rod winding device that requires the use of an electric soldering iron to heat the embedded nut, two magnets that are 5mm wide and 2mm thick, and one M3 screw