Petzl Naja Cambium SaverThe Petzl Naja Cambium Saver is the perfect solution for arborists looking for a reliable and easy to use friction saver. The innovative design provides a snag free attachment point to tree crotches for efficient and quick retrieval. The adjustable strap can adapt to different branch diameters, while the high efficiency pulley promotes smooth rope glide at the anchor. The system also includes a retrieval ball for effortless retrieval from the ground.