CURT 40051 Stainless Steel Trailer Hitch Ball, 3,500 lbs., 1-7/8-Inch Diameter Tow Ball with 1-Inch x 2-1/8-Inch Shank distribution allowing it to be used

allowing it to be used as a 2-bike model or 4-bike model

2 1/2" Width

adjustable design fits RV frames up to 51" wide 2" drop promotes level towing

2007 - 2007 GMC Sierra Classic 2500 HD Series - 6-1/2 Foot Bed

CURT 40051 Stainless Steel Trailer Hitch Ball, 3,500 lbs., 1-7/8-Inch Diameter Tow Ball with 1-Inch x 2-1/8-Inch Shank distribution allowing it to be usedCURT 1 7 8" trailer balls are constructed from high strength steel to match the towing power of your class 1 or class 2 trailer hitch and ball mount and come with fine threads on the shank for improved holding strength. Having a trailer ball that matches your coupler size is absolutely essential. At CURT, we engineer our trailer balls to be precisely fitted. When we stamp 1 7 8" into the top of each hitch ball, we actually mean 1 7 8". This CURT tow