All of our branded Dirt Killer pressure washer hoses come with bend restrictors, commercial grade stainless steel quick disconnects and swivel crimps at both ends. Additionally, they are available in black or grey non-marking, 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. Be sure to watch the 2 part review from Park Cities Power Wash in Dallas, TX.