All branded Dirt Killer pressure washer hoses have heavy duty bend restrictors, stainless steel quick disconnects and swivel crimps at both ends. Additionally, they are available in single wire and double wire. The single wire hoses are rated for 4000 PSI machines. The double wire are rated for 6,000 PSI machine. All of the hose are commercial grade and designed to last a long time. With a Dirt Killer hose, you get to keep working vs running back to the repair shop.