- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
Designed with Simplicity of operation in mind, the B4000 bollards contain a gas filled piston which automatically raises thre bollards and locks it into position when the key is inserted. Â To lower the bollard, the key is inserted to release the lock and then steady pressure is applie to the top. When bollard is fully lowered, it automatically locks in position. Â Â