Fixture for your bathroom sink. Gustavsberg's fixtures are installation systems for sinks with bolt distances up to 280 mm. Our fixtures meet all requirements and ensure that the installation meets your bathroom's standards. The installation system is simple and flexible for both the user and the person installing the bathroom. Gustavsberg's fixtures for sinks meet the strictest requirements for stress and the material is of the same high quality as any other Gustavsberg product. When you purchase a wall hung sink from Gustavsberg you never need to worry about the strength of the construction.