With the Facom DT.SFB tool set, you replace elastic auxiliary drive belts quickly without damaging the belt or pulleys. Designed for engines without belt tensioners, you easily fit and remove stretch belts for alternators, air conditioning compressors, and power steering systems. The specialized profile adapts instantly to various pulley diameters without requiring manual adjustments. Its compact dimensions allow you to maneuver comfortably in tight engine compartments. The set includes dedicated installation and removal tools, neatly stored inside a sturdy plastic case.