4.5m Pneumatic Telescoping Mast with Inside Wires for Mobile Antenna Tower. Compact Retracted Height: Folds down to 1.65m for easy transport and storage. High Payload Capacity: Supports up to 50kg vertical load at 0.2Mpa working pressure. Automatic Extension Design: Non-lockable collar enables seamless automatic extension and retraction. Durable Aluminum Construction: Built with 6063T5 aluminum alloy for lightweight strength and corrosion resistance. Wind Resistance: Engineered to withstand wind speeds up to 80km/h. Comprehensive Warranty: Includes a one-year guarantee covering mechanical defects. Fast Production Lead Time: Standard delivery within 20 days, with peak season turnaround in 15 workdays.