This Husqvarna friction saver comes ready to use and provides an effective barrier between the climbing rope and the tree – reducing damage to both. It is easy to use, easy to adjust and easy to remove, thanks to the smart, integrated design. Ideal for experienced tree professionals and beginners alike. The Husqvarna Friction Saver is a tried and tested cambium saver. This friction saver comes with aluminum rings and is made of polyester cordage. Fully certified by CE and ANSI. Diameter 12 mm. Length 2m.