"puxyblue is a well experienced manufacturer of towing accessories. We make the Best RV Bumper for our customers to make sure our customer can enjoy an extraordinary RV trip experience. puxyblue RV bumper receiver adapter can turn the bare bumper into 2 inch receiver, therefore you can have an extra spot to put a bike rack, a cargo carrier or others. This bumper receiver adapter fits 4 inch tall and 4 inch deep continuously steel bumper. It has a capacity of 350lbs tongue weight and can make your trip more delightful.puxyblue offers specialized hitch ball mounts to provide reliable towing, including multi-ball mounts, solid trailer hitch risers, hitch extensions and various hitch adapters fit for ATV/UTV and also RV bumpers. This RV bumper receiver adapter can turn the bare bumper into 2 inch receiver, therefore you can have an extra spot to put a bike rack, a cargo carrier, luggage basket or other towing accessories. This bumper receiver adapter fits 4""- 4"" Tall x 4""- 4"" Deep Continuously Welded Steel Bumpers for Your ATV, UTV, Cars, Vans and RV's. It has a capacity of 350 lbs tongue weight, it could make your trip more delightful."