The 50mm Half Coupler with lifting eye 340kg is a special half coupler. This M12 ring bolt is made for lifting loads via, for instance, (soft) steels and bow shackles. Besides that, this TÜV-certified half coupler can take a load of up to 340 kg and can be fastened to tubes with a diameter of between 48 and 51 mm.
 
SWL: 340KG