If you love driving a short-bed truck, but don't want your trailer to bump into your back glass, you might need one of these. This sleek inner tube attaches to your gooseneck trailer to give you extra clearance. Its easy-to-grip, spring-loaded handle also eases hookup. PRODUCT DETAILS MFG Part Number: TEXA4200. The Extend-A Goose Coupler offsets your trailer by 10". Sleek OEM appearance. Self-aligning coupler design. Heavy wall tube with internal gussets provide maximum strength. Easier hook ups with more clearance at the tailgate and trailer. Fits all standard 4" I.D. round trailer tubes. Funnel shaped coupler for easier hook-ups. Accommodates padlock for theft prevention. Limited Lifetime Warranty. 24000 LB. GTW. 6000 LB. VTW.