INCLUSIVE DESIGN-The dynamic tri-ball could be easily rotated to the appropriate size for meeting all your towing needs. Compared with the traditional adjustable trailer hitch, this product has a hook capable of taking 10,000LBS tension and three balls in different sizes of 1-7/8 ", 2", 2-5/16 ". SMOOTHER RIDING-The coordination of screw built in the ball mount and iron pad could narrow the gap between trailer hitch and hitch receiver through tightening the screws with hexagon wrench. The cushioned shim adhere to tri-ball is also designed for resisting rattling, wobbling, jolting, clunking, vibrations and especially the annoying noise while towing which brings the sensation of no trailer at the back. EXQUISITE TECHNOLOGY-Trailer hitch is coated with frosted dark finish to withstand corrosion of rain, dust, high temperature and other corrosive effects. The tri-ball welding technology is carried on international topping welding equipment.