Your route is planned and the trails are calling, but before you can cover any ground, you need to start with a solid connection between your tow vehicle and trailer. The CURT round bar weight distribution hitch with integrated lubrication offers a smooth ride and level towing with its heavy-duty components and built-in lubrication system. From travel trailers to popup campers, the CURT WD hitch is the perfect camping companion to let you Bring It. This replacement weight distribution head is designed to fit certain round bar WD hitches. It is made from heavy-duty, fabricated steel for reliable strength and comes with a durable powder coat finish to resist rust and wear. It fits CURT round bar weight distribution hitches #17050, #17051, #17052, #17057, #17062 and #17063 and can be adjusted to accommodate different size trailers.