e,      Type and size of kenter joing shackle.

                                                Size of kenter shackle

f, the type and size of end shackle. 

g, The type and size of swivel.

h, The type and size of Ⅰtype swivel shackle.

I. The type and size of Ⅱtype swivel shackle.

J, The type and size of studless anchor chain.

The commen link of each specification is the enlarged link of the low specification unground anchor chain.

4) Marks.

The model representation of the anchor chain is:

The model representation of the commen link and accessories:

The example of marks:

The M2 stud anchor chain with a nominal specification of 22mm is marked as:

anchor chain GB/T 549-2017 AM2-22

The M3 studless anchor chain with a nominal specification of 60mm is marked as:

anchor chain GB/T 549-2017 BM3-60

The M3 Kenter shackle with a nominal specification of 46mm is marked as:

kenter shackle GB/T 549-2017 M3KS46