【CONVENTIONAL CONSTRUCTION】Clean the plasterboard joints, fill the plaster joints with caulk, then pour white latex, use tools to stick the joint tape in the center of the joint. Tape Applicators and Tape Knives Also works for inside corners, edges and for all types of partitions and walls. 【SAVE TIME AND EFFICIENCY】 The tape applicator wheel Quick-change internal angle reverses easily with the flat application wheel. Tape Applicators and Tape Knives Allows you to minimize movement. No need, reducing the risk of back pain to almost 0! 【DOUBLE ADJUSTABLE HANDLE STRAPS】 One on each side for right or left hand use. The plasterboard banjo has practical ergonomics, you can handle it in all directions. avoid bending the back In addition to ensuring a uniform result, the tape applicators and tape knives have a padded handle, for precise and pleasant work. 【NO NEED TO MAKE COMPOUND】 Simple latch with hinged lid opens easily and quickly to load tape and mud. Durable polycarbonate body eliminates dents, dings and bent parts for longer life. Tape applicators and tape knives are the best tool for tightening wall joints. 【HOW IT WORKS】① Unroll the joint inside the banjo; ② Pour your compound inside; ③ Start caulking the cast iron of your partitions; ④ Cut the joint with a smoothing blade; ⑤ Use the big wheel for corners and the serrated wheel for corners. straight surfaces.