describe Drywall Tape Tool. random color. Material: Reinforced PP material. Scope of application: Suitable for joints of 1.2m*2.4m gypsum boards to prevent wall cracking at the joints of two gypsum boards. Caulk Drywall and Walls Quickly - You need professional results in the shortest possible time. Fill drywall, walls and ceilings with drywall in seconds. Time-saving and efficient, you can reduce unnecessary actions. Also suitable for any type of partitions or internal corners on walls, edges and ceilings. No need to reapply multiple layers of compound. Apply compound tape and drywall tape to flat seams and inside corners. In addition to ensuring even results, the drywall tape tool also features a padded handle for precise and enjoyable work. How does this work? 1. Unfold the gasket inside the drywall tape tool 2. Pour the compound. 3. Start caulking the cracks in the bulkhead 4. Cut the seams with a smooth blade. 5. Use large wheels for angled areas and gears for straight surfaces.