Studless Link Chain
Studless link chains are made in such a way that the chains have a larger internal length than other chains and are produced with three types of grades U1, U2, U3. Grade U3 has a higher strength than other grades. Of course, anchor chains type have a higher strength than studless link chains.
For shipping, it is used for anchoring by winch to the sea.
(Of course, it is also used to control the nets of fish farms in the sea.)
Anchor chain, is made of steel and has three types of grades: U1, U2, and U3.