Transporting long materials on the roof of a commercial vehicle still remains a challenge. Recently, this changed into a simple & safe operation. The Q-Top product range has expanded with The Tube. This waterproof tube is made of anodized aluminium and has a diameter of 10 cm. the tube is ideal for transporting long materials such ass PVC and copper tubes. The plastic black ends contain a locking mechanism and has been tested according to the strictest safety requirements. So closed means really closed.