Blade protection cover, sharp cutting blade, tape head to prevent falling off, upgrade handle. A variety of uses, easy to get, warehouse packaging. Express delivery, packaging, etc. The front roller flattens the tape and seals the box at the same time, which is more secure. The plastic baffle is mainly used to smooth the tape head when sealing the box. If you feel that you are not used to it, you can use a screwdriver to disassemble the baffle. Tighten the screw. The screw here is mainly used to adjust the tightness of the tape when pulling it. Generally, there is no need to adjust it. If the package is tighter, it can be adjusted. It feels comfortable and durable, and the structure of the box sealer is deeply optimized by ergonomics. The handle is made of plastic material, which combines lightness and firmness, which greatly improves the comfort of work.