Japan stockless anchor is a traditional type of anchor, belonging to the stockless anchor, mainly composed of anchor, pin, anchor, anchor shank, anchor and anchor chain (or thick rope), its weight varies from 180 kg to 27500 kg. Its two claws at the same time into the soil, anchor claws can grasp deep in the seabed, grasp the weight between 2.5-4, good stability, strong adaptability to a variety of soil, anchor is very convenient. With large support and easy storage characteristics, it is a good mooring equipment for fishing boats. Therefore, Japan stockless anchor is the first choice for commercial ships and is widely used in commercial ships and recreational ships.