Preece Precision 20' Polyurethane Transparent Grey 3/8" Coil Hose with nylon braid reinforcement for extra strength and long life durability. Swivel End Fittings. Supplied with heavy duty quick connect coupler set. Published working pressure 250PSI with 800PSI Burst Pressure. Perfect for running air tools, nail guns and many compressor applications. Heavy Duty Quick Connect couple is rated for 300PSI Working Pressure and perfect for high pressure compressor applications. (Tested to 270 PSI Working Pressure, 810 PSI Burst Pressure according to ISO14743:2004 testing)