When it comes to health & safety requirements, trust Böhler Welding to GUARD your employees. The new diamondspark GUARD portfolio has been developed to meet the stricter health & safety requirements for welders and their co-workers. Our diamondspark GUARD flux-cored and metal-cored wires help to protect your workplace by significantly reducing the amount of manganese in the welding fumes and assist in meeting recently revised exposure limits.