IMPORTANT NOTICE: Note for Australian & European MarketsThis product is designed and tested for the US Domestic Market to comply with relevant US standards. Consequently, it may have features that are not compatible or compliant with regulations outside the US. As such, this item is offered for off-road use. If this item includes a tow-ball, it is important that you ensure compatibility with your trailer.  Note regarding tow-ball sizing: Please verify your trailer coupling size. Unless otherwise stated, if a ball is included with this product, it may be supplied with an imperial sized ball. It is important that you ensure compatibility with your trailer. U.S. market hitches typically are supplied in 2", 1-7/8" or 2-5/16. IMPORTANT! DO NOT ATTEMPT TO COUPLE A TRAILER WITH AN INCORRECTLY SIZED TOW-BALL. Before installation, please check sizing as you may need to source an alternative ball for your application. Returns are not available for special order items.(keyword: trailer)Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.Reference Information Reference Data (Provide these details to our support team) Brand Name/s Diode Dynamics, Diode Dynamics Llc StreetFX SKU dioDD4145 SFX Item ID 4187614 Accounting SKU dio-DD4145 Manufacturer SKU DD4145 Manufacturer UPC 195995131645 Alternative References DOD-DD4145, DODDD4145