Description: Brand new head cleaner and demagnizer For Most audio cassetts players made car, Home, or portablecassette players Automatically reverses when finished! Advanced be kind rewind technology Demagnetizes and cleans head, capstan, pinch rollers. The tape can be used over and over until the liquid is finished. Every time you play, forward and rewind an audio tape cassette, it will leave oxide and other residues on the cassette player's head. This will cause unwanted noise and lower quality while playing or recording and reduces the life of your device. Features Demagnetizes heads Cleans heads automatically reverses when finished cleans capstan cleans pinch rollers note： 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Includes： 1X head cleaner Demagnetizes heads automatically reverses when finished cleans pinch rollers 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.