4K5 Better Equipment offers box profile spirit levels that impress with high accuracy, high robustness and exemplary quality. They also have many other useful features that pay off in use: Long-term measurement accuracy thanks to shock-absorbing end caps, ideally readable vials, ergonomic grip sections, machined measuring surfaces and rubberised slip stoppers. When working on metal surfaces, users benefit from models with powerful rare-earth magnets, which give them both hands free so that they can fully concentrate on their work.