Raider 1/2 Inch Snowmobile Trailer Tie Down Bolt 1/2 inch Trailer tie down bolt Measures roughly 8 inches long (5 inches from threads to plate). Works in conjunction with the crank plate base (Item #CRP-1212) and the tie down bar (Item #TDB-1210) in securing your snowmobile to your trailer Helps in easy installation of the tie down tow bar Used with tie down bar