The BulletProof Light Duty Drop Tang Attachment was designed to allow the user to drop their ball height up to an additional 5.5". This is great for a situation where you need to tow a trailer with an abnormally low coupler height. It features a 3/4" thick tab with a 1" hole. It is compatible with the BulletProof 1-7/8", 2" or 2-5/16" threaded balls (Sold separately) Rated for up to 10,000 pounds of trailer weight and up to 1,000 pounds of tongue weight.