Replace lost or damaged U-bolts on your B&W gooseneck hitch with this kit. This kit is just like the U-bolts and springs that are included with their gooseneck trailer hitch. The kit includes two U bolts, four springs to keep the pull tight against the bed , and four nuts to secure the springs to the U-bolts. Made in the USA Kit replaces lost or damaged safety chain U-bolts on your B&W gooseneck hitch Fits most B&W gooseneck hitches Kit includes the following: (2) 1/2" U-bolts (4) 1/2" Lock nuts (4) Springs (1) 3/8" x 3/4" Bolt