1Set Trailer U Bolt Kit for 3500 lbs 2-3/8″ Round Axle 6-1/4″ Long 1/2” Diame…
【WITH 2 TYPES WASHERS】- With flat washers and spring washers to dampen vibration, prevent loosening. ★Others only have one type of washers, easy to loosen. The 2.2″ length of threads allows the nut to be tightened enough.