Expandable Road Barrier 1. Folding and Expanding 2. Wheels possibly in the ... , Aluminum alloy, etc.Color: Red, White, Yellow, Black, etc.Surface: Plastic-spraying by environment-friendly outdoor powderFold Length: 22cmExpand Length: 250cmHeight ... . OEM AbilityUsage: Using as Isolation, Protection, Caution tool.Fit Place: Road, Street, Highway, Shopping Mall, Gas Station, Parking Place, Garden, Plant ...