Master S Is A Descender Designed For Technical Rescue Operations. It Facilitates The Handling Of Heavy Loads, In Lowered As In Lifting, And Can Be Used As The Main System And In Self-Insurance. This Versatility Allows The Rescuers To Adapt To All Configurations Encountered On The Site Of The Intervention. The Ergonomic Handle And The Integrated Brakes Allow You To Conveniently Control The Descent. The Passage From The Lowered Position To That Of Lifting Is Immediate, Without Having To Retrieve The Load. The Integrated Blocker Pulley, With Large-Diameter Pulley On Sealed Ball Bearings, Ensures An Excellent Performance In Lifting. The Auto-Lock System Automatically Locks The Rope When The Handle Is Not Used. Once Locked, The Rope Can Be Recovered Without Using The Handle. The Descender Master S Is Compatible With Ropes From 10.5 To 11.5 Mm And Allows The Handling Of Loads Up To 250 Kg.