• MASTERCOOL R-134A charging hoses meet SAE J2196 specifications and are UL recognized
• Tested for working pressure of 600 PSI and burst pressure of 3,000 PSI
• Blue and red hoses include male 14mm X 1.5 and 5in Acme-F fittings.
• 72in. hose 1 yellow w/ shut off valve

Here's a great set of professional grade A/C manifold hoses for R-134A.