ProX XSU-4X4 Stage One 4' x 4' Ft Stage DeckProX XSU 4x4 Stage One 4' x 4' Heavy Duty Stage Platform. Features Height Adjustable Telescoping Legs 16" 22" (24" Extended) and includes a stage leveling and security clamp to keep each stage firmly mounted together. The top of the stage platform is laminated with our Signature Honeycomb Digital Surface Protection which makes it slip resistant and gives your stage performers the grip they need. These stages are a great application for small venues,