RiteAV Female to Female Toslink Keystone Couplers are the same on the front and back, so you can connect your Toslink Cabling to them in no time. Simply plug your Toslink Cables into both sides of the plate the same way. No tools are required. They're universally designed to easily fit standard-sized brand name keystone blank wall plates and fit seamlessly into all RiteAV Blank Wall Plates as well. Our Toslink Keystone Couplers are versatile, since they can also be used in surface mount boxes and patch panels that have a standard-sized opening. RiteAV Keystone Couplers are removable to allow for easy upgrades or plate re-configurations in the future. The sturdy construction of the couplers ensures a long service life and a simple, affordable way to keep your cables hidden. They also provide a neat, convenient way to extend cables that are already in place, without the need for relocating them. This discreet solution enables you to route your cabling through the walls and results in a clean, professional look behind wall mounted televisions, monitors, projectors and entertainment centers in both residential (home theater) and commercial (classroom, boardroom, factory floor, recording studio, etc.) settings. We offer a variety of couplers in an assortment of colors that all match our Blank Wall Plates to suit all of your A/V requirements.