The QRT 50 Quick Release Clamp offers the universal convenience of a twist-lock system instead of a snap in plate, offering a universal fit for a wider range of accessories and plate brands.The industry standard Arca-Swiss compatible system is designed for monopods, tripod heads and equipment that do not use or support the quick release plate, or for those who prefer a sliding plate system. The QRT 50 can be attached to any 1/4-20 or 3/8-16 tripod, monopod or accessory mount.