Nilight Dual Hitch Extender to 10 Inch Max Extension Length with Hitchs Tightener Anti Rattle for 2" Receiver with 5/8" Bolt Nut Clip Adjust 7-1/2" Riser or Drop 4,000 lbs GTW Matte Black

Multi-Use Fuction: The lower receiver is for towing a trailer while mounting a bike rack or a cargo carrier. The top receiver is used for accessories only (NOT INTENDED FOR TOWING USE), such as a bicycle rack or cargo tray while towing your trailer or camper without scraping your equipment. It's also widely used on affixed to midsized Boats, small campers, moderately sized trailers, etc

Capacity: The bottom receiver is rated to tow up to 4,000 pounds GTW. The combined maximum Tongue Weight is 400 pounds. (Please Note: The extra top 2-inch receiver is not for towing a trailer); Use with hitch tightener for tight fit and noise reduction

Adjustable Length: Fit any industry-standard 2-inch trailer hitch receiver, 15-inch overall length, 3 pin holes on the shank allow to adjust the length range at 8 inches, 9 inches, 10 inches when inserted into the receiver

Corrosion-Resistant: Full-edge welding instead of ordinary four-point welding, add electrophoresis process before powder coating to withstand rain, dirt, UV damage, and other corrosive threats. Ensure a longer service time and make it perfect for long time outdoor use

Easy Installation: Just insert the shank into your hitch receiver, then insert the bolt into the hole, tighten the flange nut, and insert the clip, then simply slip the U-bolt over the receiver, slide the tightener plate into the bolt, and tighten it into place with the included hardware