The welding block is forged out of the material 1.0577+N (St 52-3) and is marked with the identification number of the permissible nominal WLL.
The distance lugs have a distance measurement function for the required spacing to the root weld. (approx. 3mm)
Welding should be carried out by a qualified person according to ISO 9606-1.
The chosen welding point must be suitable for the corresponding force introduction.