Description: Specifically designed for heavy loads and intensive use, the Rescue gives excellent efficiency thanks to its sealed bearing rollers. Equipped with swing sides in high-strength aluminium, it can accept up to 3 carabiners Specifications:
Working load: 4 kN Breaking load: 32 kN Weight: 186 g Individually tested.
I think that this is a great pulley ,it is made of great construction,but it is a touch heavy and a little big for my rack when Alpine climbing.For that I use a locking pulley. It is a great beginer piece of gear though.