The grade 80 fixed size master links TWN 0811/1 are used to assemble 1-leg chain slings. The fixed installed ring shackles only allow the assembly of lifting chains of the appropriate nominal size. An identification tag enables the entry of the necessary suspension data.
The dimensions of the fixed size master links type B comply with the DIN 5688-3. The manufacturing and testing requirements are based on the DIN EN 1677 parts 1 and 4.
