The adjustable aluminum pole is a multi-stage extendable rod made of premium lightweight aluminum alloy. Equipped with an adjustable locking system, its total length can be freely stretched and locked at any position to suit high ceiling dust sweeping, wall painting, window cleaning and all kinds of overhead work scenarios. The pole body features anti-rust and wear-resistant performance, and optional anodized treatment further enhances its durability and scratch resistance. Lightweight structure greatly reduces hand fatigue during long-term upward operation. The universal threaded joint on the top is perfectly compatible with cobweb dusters, paint rollers, cleaning brushes and various tool attachments. It can be folded into a small size for convenient storage and carrying, ideal for daily household cleaning as well as commercial cleaning and decoration construction use.