And the winner is…

The Delta-Brake with its modern design will assure clear ease of use. It is completing the model range in a harmonic way, adding elegance to the mobility in office furniture applications.
Delta-Brake is easy and safe to lock/release, even with delicate leather or open toe shoes. To lock press the lower end of the break-lever and to release simply press on the upper part of the Delta-Brake lever. This chromium-VIFree caster is ecologically friendly with a very long life cycle and exceeds all applicable DIN-EN and BIFMA standards.