Pneumatic Telescoping Mast provide for higher, heavier and more precise payload applications.Pneumatic Telescoping Locking Masts are designed for extended deployment periods. Available in both Heavy-Duty and Super Heavy-Duty models, these masts offer a light weight elevation solution with a high payload capacity. These vehicle or trailer mounted telescoping pneumatic locking masts feature locking collars that allow the mast to remain extended indefinitely without air pressure. Full-length keyways maintain directional azimuth and provide precise pointing accuracy.