Manufacturer: Amflo . Features and benefits: 12" hose with straight chuck standard3/8"-24 male unf threads and will fit the inflater gauges hose is flexible, made of oil and ozone resistant rubber. Use only oil free and water free compressed air.  Maximum pressure of air source should not exceed 220 PSI. Do not use for inflating or checking pressure on air/liquid tires or other tires containing corrosive materials.