Use Altitude when floor space is limited. The versatile Altitude is capable of being mounted to a wall or media/audio rack. The mount is made of lightweight aircraft grade black anodized aluminum and has a cork backing to protect the wall or media/audio rack from scratches. The innovative locking wheel is made of a acrylic, known for its vibration dissipation properties. Each Altitude is designed to gently secure your cables in place. Mounting hardware is included. Recommended spacing between units is 12"-24" depending on stiffness of cable. Wheel Cable Diameter Sizing Options: 1/4" (6.5mm) Diameter - holds 7 cables 1/2" (13mm) Diameter - holds 5 cables 3/4" (19.5mm) Diameter - holds 4 cables Note: Altitude is sold as a pair of complete units Pictures not to scale. See Support FAQ for dimensions.