JB Industries NFT5-4-25 1/4" SAE Quick Seal Cap w/ O-Ring (25-Pack)

• For deep vacuum and A/C refrigeration 
• Finger tight sealing for all male SAE connections
• JB machines all of the access valves at the factory in Aurora, Illinois using the highest level of brass consisting of 65% copper and 35% zinc
• High tensile strength resists corrosion