OTC's Freightliner Rear Suspension Tool Master Set features a robust 15-Ton capacity cylinder, Air/Hydraulic pump, and installation/removal adapters Removes and installs single-wrapped FAS II Airliner Freightliner Rear Suspension Bushings 'on vehicle' - no need to remove the spring assemblies to use this tool Completes the job in a fraction of the time that traditional methods take Saves an average of 45 minutes per bushing (4 per vehicle) on flat rate of 1.5 hours per bushing - a huge time savings No more hammering prevents impact damage to suspension components while dramatically reducing the effort required by the technician performing the work