StarTech.com White Cat 6 RJ45 Keystone Jack Network Coupler F/F - RJ45 Coupler - Cat6 Coupler - F/F Cat6 Keystone Jack White Modular Join two Cat6 patch cables together to make a longer cable RJ45 Coupler RJ45 Keystone Jack The Cat6 coupler features a high-impact, flame retardant (UL 94V0) plastic housing Keystone Coupler