S U R &R s AC Hose to Compression Fittings allow you to make instant repairs to AC lines on hundreds of vehicles Repair failed collar crimps sections of corroded line cracks kinks and more on any SAE or metric sized aluminum line for a fraction of the cost of replacement Features On the car AC line repairs made simple Make connections easily by hand; no specialty tools required Compression unions and adapters specifically designed for AC line repair applications Pressure rated up to 600 PSI Drastically cuts labor time Specs Material Aluminum Tubing size 14 5mm Hose Size No 10 Fitting Type Hose to Compression