The RMS Multi-Light Arm Kit from EcoTech Marine is a highly customizable mounting solution for XR15 and XR30 Radion LED systems. This kit includes two vertical pieces to attach to your tank, plus a built-in cable management system. Made from a tough anodized aluminum finish, the RMS features a lightweight, rigid design that can support up to 1 3/8" rims, eurobraces and rimless tanks. The Slide mounts on the RMS Track provide precise, adjustable placement of Radion LEDs with a 7 inch (18cm) distance from the tank. For full installation, you'll need three main components: RMS Track (horizontal spanner), RMS Arm (vertical pieces) and RMS Slides (mounting brackets).