Heavy-duty fiberglass barrels for airspade 2000 air-excavation tools. Adjustable dirt shield protects operator from flying debris. Non-conductive design provides degree of protection from buried electrical lines. Compatible with airspade 2000 components and accessories. features: lightweight, non-conductive, reinforced fiberglass tubing adjustable, rubber dirt shield anodized aluminum hardware knurled surface provides superior grip for tight connection dual, male threaded connections