This allows you to connect your boat trailer to your cars tow hitch via a series of extension poles, meaning that you can keep your car out of the water Length when dismantled is 1., 1 Metre Total assembled length when fully extended is Approx 2 Metres. The pieces of the bar fix together using a simple strong pin and clip through the centre to hold it firmly in place. This towing bar is Brand New Manufactured from 50mm and 40mm box section. Telescopic Retrieval Pole 2m DOCAZOO DocaPole 7-30ft Extension Pole For Easy Retrieval Off-road Trailer Launch Pole 2 Inch Receiver Tube Adjustable Height Tri-Ball Boat Trailer Tow Hitch... This compact design is ideal as it simply pops in to the boot of most cars easily. Allows you to reach further into the water whilst keeping your car on dry land. Trailer Hitch Flagpole Mount at Geraldine Edmondson blog To use is simple as 123., 1., Hitch your trailer up to the ball on the end of the bar 2., Slide the smaller section inside the larger section and pop in the pin/clip., 3., Connect towing coupling onto your towing vehicles tow ball Remember: THIS IS STRICTLY ONLY TO BE USED OFF ROAD AS A TOOL TO ASSIST THE LAUNCHING OF A BOAT TRAILER INTO WATER.