Ground sleeve for slackline posts

When slackline posts are to be dismantled after use or during the winter, it is necessary to set the posts in ground sleeves. The steel ground sleeves are cemented into the ground. The foundation should be approximately (LxWxD) 60 x 60 x 80 cm in size. Suitable for indoor and outdoor use. The ground sleeves are available for the Kübler Sport slackline posts with dimensions of 80 x 80 mm or 91 x 91 mm!