Conventional construction Clean the joints of the plasterboard, fill the joints with caulking paste, then pour white latex and stick the tape in the middle of the joints with tools. Tape applicators and tape cutters can also be used on inside corners, edges and all types of partitions and walls.Time-saving and efficient Double adjustable handle straps - One on each side, convenient for hands left and right. The quick change inside corner application wheel can be easily reversed with the flat application wheel. The roller design is easy to operate, saving time and improving work efficiency.Premium and Durable The durable polycarbonate body eliminates bumps, foreign objects and bent parts, giving the drywall gluing tool longer service life and durability. Working principle ① Loosen the sealing strip inside the banjo; ②Pour the compound into it; ③ Start filling in the partitions; ④Use a flat knife to cut the seams; ⑤Use the big gear as the wedge and the saw gear as the wedge. Application area The drywall tool is suitable for connecting 1.2 x 2.4m plasterboard to prevent the wall from cracking at the level. of the joint of two plasterboards. It can also be used for small jobs, decorations, additions, renovations or tight spaces such as closets, corners, walls and ceilings. Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there will be some color difference, the actual object received shall prevail.