Four-hole base:The four-hole screw base makes the overall stability of the parking column stronger and stronger. Strong reflective:Comes with reflective tape,the warning color is eye-catching,highly reflective,and it is safer to drive at night. Product height:500mm/600mm/750mm;Product diameter:76mm;Tube wall thickness:5mm. Process upgrade:Fixed bollards,integrated technology,sturdy. Scope of use:municipal road isolation,separation of people and vehicles in residential areas,urban roads,protection,etc.