Flat finishing box for drywall: This tool features a double spring design that distributes an even, consistent layer of joint compound to flat and butt joints on walls and ceilings, ensuring smooth application. Adjustable angle up to 120 degrees: With knob-type stepless adjustment, it responds to various room types and allows fine-tuning to handle difficult angles for precise work. Constructed from aluminum alloy: The large-capacity putty box holds more compound to scrape larger areas, with a double spring design for even discharge and constant-speed application during plastering. Quick brush wall with adjustable handle: Handle length adjusts from 1060mm to 1650mm using a quick-adjust latch design, enabling easy wall repair and ceiling scraping without a ladder. Easy to clean design: Made with stainless steel and a leak-proof sealing plate, it features a smooth machine surface and wide opening in the putty box platen cover for simple cleanup after use.