The VT640B Joint Aluminium Telescopic Ladder is a professional-grade 3.2M + 3.2M (21 ft) multi-purpose folding ladder engineered for users who require exceptional reach, strength, and versatility. Manufactured from high-strength aircraft-grade aluminium alloy, the VT640B combines lightweight portability with outstanding durability, making it suitable for demanding industrial and commercial environments. Featuring 16 wide anti-slip steps, the ladder can be configured into multiple working positions including an A-frame ladder, straight extension ladder, staircase ladder, and work platform, providing maximum flexibility for a wide range of applications. Equipped with heavy-duty automatic locking hinges, a reinforced aluminium frame, and extra-wide non-slip rubber feet, the VT640B delivers superior stability and user safety even at greater working heights. The corrosion-resistant aluminium construction ensures long-lasting performance with minimal maintenance, making it the ideal solution for CCTV installation, solar panel installation, electrical maintenance, warehouse operations, telecom projects, construction, facility management, industrial servicing, painting, exterior building maintenance, and home improvement.