POPUP 4″ Round Heavy Duty Self-Latching Gooseneck Coupler 28,000 lb. Capacity, GN1 GN1 Round Straight Coupler Fits trailers with 4″ ID round tube Part measures 4″ outside diameter. Make sure it will fit as many of the China made tubes are not all sized consistently and many are under sized. PopUp will assume no responsibility for returns when incorrect measurements are taken. Please see return policy. Replace your trailer’s coupler with this self-latching coupler and never crawl into the bed of your truck to latch or unlatch the coupler again. Does not affect the way your truck handles. Quick Facts For trailers with 4″ ID round tube Rated at 28,000 lbs. Self-latching 7/8″ holes thru both sides Pull Cable Not Included
