[Wide use]: Our fin straightening tool has 6 brush heads of different sizes, suitable for fins of 8, 9, 10, 12, 14 and 15 pitches per inch, and can clean and correct various heat dissipation foil. [Easy to Use]: The fin comb can straighten the curved fin in seconds to help maintain air circulation. The fin straightener can also be used on refrigerators, radiators and air conditioner condensers. [2 styles]: You will receive 1 condenser fin straightener and 1 air conditioner condenser fin cleaner. Use together to improve cleaning efficiency. [Compact]: The plastic fin comb is very compact, can be used even in limited space, and can be disassembled and stored. The white strip can adjust the length of the metal fin comb. [Save Money]: Regular cleaning of equipment can improve efficiency and reduce operating costs. Use condenser brushes to frequently clean your equipment, which can help reduce expensive maintenance costs.