Check the listing for details. Double Hitch Receiver 2" Trailer Dual Hitch Extension Riser Adapter Extender. Color: Black, Condition: New. Listed at 41.99 USD. ADJUSTABLE LENGTH: 3 pin holes on the shank allow to adjust the length from 8" to 10", when inserted into the receivers.MULTI-USE FUNCTION: The dual trailer hitch extension bar can be used to rise &drop Bike Racks , cargo tray, luggage rack,motorcycle carrier.HIGH STRENGTH: The top receiver is specifically designed for connecting bike racks or cargo carriers， and the bottom reiceiver is designed for towing (Max. GTW: 4,000 LBS). (WARNING: TOP RECEIVER IS NOT FOR TOWING. DON'T connect any trailers or campers to the top receiver!)CORROSION RESISTANCE: Made of strong steel, with a durable black powder coating, which can resist dust and corrosion and extend the service life.CLIENT SUPPORT: 30 DAYS money back and 1 YEAR warranty. If you have any question about our products, please contact us directly. We promise that you will get friendly customer service.