Extends the life of your cover by eliminating water pooling and debris collecting on the cover. It features the Top and Base solid wheel design which reduces skidding or movement of pole. Suits boat up to 7.1m. Marine grade polymers components. 25-22mm dipped aluminium pole. 25mm webbing straps attach to top wheel extend across front and to rear of boat., Complete kit Includes, Telescopic pole : 710mm - 1220mm with tube screw adjuster2 wheels base & top20 meters adjustable webbing, quick release buckles.