Keep work zones, driveways and entry points safely restricted with this expandable rolling metal safety barrier. Built with sturdy Q235 steel frame, this mobile security gate smoothly expands to cover wide openings and folds compactly for space‑saving storage. Equipped with durable swivel casters for effortless repositioning, it fits commercial warehouses, construction sites, residential driveways and outdoor event spaces. Corner compatible variant supports flexible layout to match different passage shapes, delivering reliable physical separation without complicated installation.