Comprehensive HR (High Resolution) Pro Series Cables are Comprehensive Classic professional grade cables that provide excellent performance and value. That's why since 1974, they have been in use worldwide in stadiums, studios, stages, boardrooms, classrooms, schools, government installations and well, pretty much everywhere! HR Pro Series Cables cables are perfect for anyone looking for excellent quality at great price. HR Pro Series BNC Cables utilise premium low loss construction for maximum signal integrity. 95% tinned copper braid shielding eliminates EM and RF interference. True 75 Ohm imedance matched nickel over brass BNC connectors ensure a perfect connexion and eradicate distortion. Moulded strain relief and X-traflex jacket ensure maximum reliablility and durability. RoHS Compliant. Lifetime Warranty.