Whirlwind PLR-PSRK-16 ( 2 light rail kits) This listing is for a pair- one for each side of your rack case 16" long Description PLR-PSRK are the LED rail kits that are used in conjunction with the PLR-PS3 and the PLR-PS3S control units to light your rack. They are available in sizes to fit 8, 10, 12, 14, 16, 18, 20 and 24 space racks. These rail kits will attach to your rack without having to remove any of the gear currently in the rack. Note ***this is for the pair of light rail kits only. You will need the PLR PS3 unit to operate them. Full Rig pics show what the 8 colors look like in operation on our rack. ---------------------------------------------------------------------------------------------------------------- Echotone Music LLC is an experienced long time E-commerce Audio Musical instrument dealer since 1998. We take pride in selling quality gear for musicians, sound engineers, production companies and broadcast applications. Shipping --Items are well packed and shipped USPS, UPS or Pallet Freight Service. Items purchased on Friday may not ship until Monday or until the projected processing period. We are working hard to get your unit Built ( if needed), processed and shipped. Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs. Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as mount marks, plug marks, scratches, scuffs, dings or scrapes, screw mount marks or collateral material damage.. Items must also include all original packaging, manuals, warrantees accessories or your return may be subject to a return handling charge. Refunds or for the Item cost only. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, strings, reeds, computers, tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, cleaners, polishes polishing cloths, software/soundware, books, CDs, DVD's, vinyl records, and videos. Happy customers, that's music to our ears!