The 3.5" Steel Unicourt Net Post System is ideal for multi-purpose courts. This net post system features durable 3.5" extruded steel posts and an adjustable height mechanism that allows the net to be positioned from ground level up to 8'. This allows the 3.5" Steel Unicourt Net Post System to accommodate a multitude of net based sports including tennis, volleyball and pickleball. The optional 3.5" x 2' aluminum sleeve (VBUNSU35) and 4" T-Plug cover (VBUNCP35) and multipurpose net are sold separately.