23 inch flip box (gooseneck extension) with provision for removable guide rollers - Increases swing radius to 127 inches flip neck for a 55 ton Fontaine TNT Sales is your one stop shop for all open deck needs. We are a full service dealership including parts, accessories, rentals, repairs and reconditioning. We stock and install the following: Tool boxes, ramp kits, chains, binders, straps, bungees and bulkheads, headache racks, tarps, side kits, sliding tarp systems, aluminum wheels, new and used tires and everything you need for your flatbed, drop deck or lowboy. We are well staffed, focusing on good customer service as well as service after the sale. Our excellent selection of premium products, combined with our simple purchasing process, gets you back on the road, generating revenue. Disclaimer: Photos and videos on the web are units of our stock trailers. Specifications are subject to change in photographs and videos. Please adhere to specifications per listing in order to avoid misunderstandings.