The Seachoice Class III and IV Dual Hitch Extender gives you two 2-inch receivers so you can tow a trailer and use an accessory, such as a bike rack, at the same time. The black powder-coated steel construction resists corrosion. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable.