Expandable Gate Barrier Folding and Expanding Wheels possibly in the bottom Bolt on the flank Origin Patent Product: Expandable Gate BarrierBrand: MAXPANDModel: F2Material: Steel, Aluminum, Aluminum alloy, etc.Color: Red, White, Yellow, Black, etc.Surface: Plastic-spraying by environment-friendly outdoor powderFold Length: 22cmExpand Length: 600cmHeight: 95cmWeight: Depends on the material and ...