Centipede Tool K200 Support XL 15 Strut Expandable 4' X 8' Portable Sawhorse and Work System Kit 29-Lb steel frame sets up instantly to support 2, 500 lb Supports materials over a 4' x 8' area and condenses to a portable 9" x 14" for compact transport and storage Includes 4 x-cups to hold standard 2 x 4S in place for quick sawhorse setup Includes 4 quick Clamps to hold table or benchtop materials in place for a sturdy workbench anywhere Durable steel crossbars absorb impacts, ensuring long lasting and smooth operation