Demco Heavy Duty Trailer Tongue Coupler 2 5/16 Trailer Ball 18,000lb Capacity Specifications: - Mounts to a 3" wide trailer tongue - Uses 2 5/16" trailer ball - G.V.W.R (Gross Vehicle Weight Rating) of 18,000lbs - Has mounting holes 3" on Center, and 2" on Center, main mounting holes are 1" down from the top of the coupler Features: - Ez Latch coupler design makes lowering the coupler on the ball simple and secure, just lower until you hear it click - Made from heavy duty steel with a zinc plated finish - Made in the USA - Features a 1 Year Manufacturers Warranty