【Conventional Construction】 Clean the joints of the drywall, 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】 Adjustable double handle straps - One on each side, convenient for left and right hands. The quick-change inside corner applicator wheel can be easily reversed with the flat applicator wheel. The roller design is easy to use, saving time and improving work efficiency. 【Premium and Durable】The durable polycarbonate body eliminates dents, foreign objects and bent parts, giving the drywall taping tool a longer service life and durability. 【Working Principle】 ① Loosen the sealing strip inside the banjo; ② Pour the compound into it; ③ Start filling the partitions; ④ Use a flat knife to cut the seams; ⑤ Use the large gear as a wedge and the saw gear as a wedge. 【Scope of