1. Material: aluminum alloy
2. Purpose: hand-controlled descender
3. Applicable scenarios: mountaineering, rock climbing, aerial work, rescue, etc.
4. Size: about 22x5.7 cm
5. Weight: about 345 grams

Features:
1. High-strength aluminum alloy, with good wear resistance, not easy to deform, durable and light in texture
2. The safety switch prevents the main lock of the upper board from falling off, and the upper side board can be quickly opened or closed without opening the main lock, making the operation more convenient
3. Lower the control handle, thick rubber is added to the handle, it feels comfortable and easy to use
4. The slow-down speed control module, made by alloy precision, can better control the falling speed when in use
5. Automatic stop wheel, internal spring is installed to increase friction to stop
6. Buffer friction wheel, reduce friction temperature and reduce rope loss