Constructed from durable aluminum alloy with a stainless steel blade, this lightweight drywall finishing box offers long-lasting performance and a large capacity for covering extensive areas efficiently. Featuring a dual-spring mechanism, it ensures even putty discharge and consistent pressure during application, smoothing surfaces in one pass with an adjustable plate for sustained smoothness and effortless pushing. Equipped with an extendable handle made of plastic, it adjusts from 106cm to 165cm, allowing for easy ceiling work without the need for a ladder, thanks to a quick-lock system. The telescopic rod offers 120-degree adjustability with a knob for fine-tuning, enabling precise plastering at various angles to accommodate different room layouts and tricky spots. Designed for reliable daily use on job sites, this high-quality tool is ideal for home renovations, engineering projects, and booth setups, helping achieve perfectly smooth walls with ease.