Gas-Assisted Manual Arm BarrierThis high quality boom barrier is fitted with a gas damper that makes raising and lowering the barrier easy and effortless. The gas strut removes the requirement for a bulky counterweight. This allows the barrier to fit into tighter spaces whilst retaining a good drive through width. Being surface mounted this barrier is very easy to install onto any existing hard surface of sufficient depth. It is easily operated, with a locking system that can lock