Bollards Security Driveway Car Security Semi Automatic Semi-automatic bollard 1. Cylinder diameter: 219mm 2. Intercept height: 600mm 3. Thickness of cylinder: 6mm 4. Material: 304 stainless steel 5. Underground cylinder height: 800mm Underground cylinder thickness:3mm Underground cylinder diameter:325mm 6. Underground flange:304 stainless steel, flange diameter :420mm, thickness:8mm 7. 3M reflective film, key Starzo
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