All Terrain 4‘x4‘ Extension Kit - 4 Side Panels/4 Leg Assembly/1 Platform, Weatherproof Aluminum Increase the size of your stage with this 4‘x4‘ extension kit! When attached to an existing All-Terrain Staging system, this kit can increase the size of your stage by 16 square feet. Package Contents This package includes: 1 - All-Terrain 4‘x4‘ Stage Platform, Weatherproof Aluminum 4 - All-Terrain Leg Assemblies 4 - All-Terrain Side Panels