Delta-Brake features an easy to use design that is safe to lock/release even with open toe or delicate leather shoes. The chromium-VI-Free caster is ecologically friendly with a long life cycle and exceeds all applicable DIN-EN and BIFMA standards. The caster has been awarded with the red dot design award winner 2011 and the interzum design award: intelligent material and design 2011. For more information, visit www.grossstabil.com