COMPATIBLE WITH MULTIPLE MODELSBracket Jacket Fits Equal-i-zer Sway 6K 8K 10K 12K 14K Hitch Models, Compatible with Fastway E2 hitch, Do not fit 4K models. Never exceed the specified weight ratings for the trailer, tow vehicle, receiver hitch, ball mount, hitch ball, or any other towing equipment.REDUCE WEARProtect the Bracket and Bar from the Wear of Constant Metal on Metal Contact. Friction Sway control provided by Eque-i-zer hitch head is not affected by the use of the Sway Braket Jacket.IMPROVE THE RV LIVINGSway Bracket Jacket plays a function of eliminating noise. Eliminate the loud squeaking sound of metal to metal from the bars scraping against the brackets on the trailer when turning and reversing. You will no longer be disturbed by noise when resting in the parking lot or in the RV.EASY TO INSTALLJust slide sway bracket jacket over bottom of L-bracket and up around curve. Spend more time making memories and less time hooking up and setting up your trailer with Our products.HIGH-END MATERIALS AND CORE TECHNOLOGYSway Bracket Jacket combine strength and revolutionary engineering technology, High-strength material manufacturing, which are more robust and durable than the traditional trailer accessories on the market.