CURT 16115 - CURT E16 5TH WHEEL HITCHCURT E16 5TH WHEEL HITCH ; REQUIRES RAILS & CUSTOM BRACKETS Pivots on dual axes for 10 degrees of lateral movement Automatically locks for easy, secure coupling Operates using a single handle Features an anti rattle skid plate to help reduce noise Compatible with kingpin extension boxes, including common pivoting pin boxes Mounts to all industry standard base rails Offers four height adjustment positions to adapt to each unique truck bed Tested for