If you want to avoid damaging your ropes during climbing or mountaineering, use a pulley!
You will also find emergency pulleys that can be used for crevasse rescue.
Snowleader sells a wide variety of pulley systems for a wide range of disciplines. Whether you're on a glacier, a multi-pitch climb or a zip line, you will find what you're looking for on the Snowleader website.
Snowleader has selected a variety of pulleys to best meet your needs and desires.
If you're planning to use a zip line, for instance, you can go for a double pulley especially designed to move with ease on cables and ropes. Double pulleys are engineered to be both efficient and shake-free.
Ultra-lightweight pulleys are often used for crevasse rescue or unplanned hauling.