Balance Beams Bases by Sealoha. Details:After 1 year of modification and experiment. No tools required. It can be quickly folded and adjusted to the height you want. It is strong enough. Up to 300 pounds.It adopts quality solid material safe rubber feet . Your best gift for your home gymnastics! There are two modes with perfect 8 FT length for kids training needs One mode:Floor mode with floor legs comes with total height 6.7″and sturdy enough for starters training needs! Two mode:Height adjustable modes comes with adjustable height from 17″ to 23″ by controlling the 4 adjustable holes. The Beam will help you from lower level to high levels of improving gymnastics skills. And grow up with you together!