Stainless Steel Material Semi-Automatic Bollard
semi-automatic expanding bollards 1.inner diameter:220*4mm 2.external diameter:240*280*4mm
semi-automatic expanding bollar
1.pipe diameter:220*4mm
2.inner diameter:220*4mm external diameter:240*280*4mm
3.rise high:500mm underground:700mm
4.weight:73kgs
5.Material:steel tube
6.Surface:304 stainless steel
Stainless Steel Material Semi-Automatic Bollard