5' Vac-Tube PRO -EXT (Clamp)Our Blackbird carbon fiber Vac sections are exceptionally light & very rigid, reducing fatigue and increasing work speed The 5 foot modular sections simply push into each other, with the clamp to hold it tightly. Various attachments can be fitted to the end of the pole section Easily fits to most vacuum systems Each pole has a clamp that help them connect to each other Neck Clamps onto the last section