This adjustable support can be used with multi-format from 3'' (7.62cm) x 3'' (7.62cm) to 6'' (15.24cm) x 6'' (15.24cm) posts. Its receiver is compatible for any post, double beam and triple beam. This adjustable support facilitates the structure levelling during construction. It allows the adjustment of the deck following movement caused by freezing and thawing of the ground. Its reversible function can be used with a deck block or inside a concrete sonotube. Its steel frame and its black baked powder coating finish provide style and excellent rust resistance.