Features:Brand new for head cleaner and demagnizer For Mostaudio cassetts players made car, Home, or portablecassette playersAutomatically reverses when finished! Advanced be kind rewind technologyDemagnetizes and cleans for head, capstan, pinch rollers. The tape can be used over and over until the liquid is finished.Every for time you for play, forward and rewind an audio tape cassette, it will leave oxide and other residues on the cassette player's for head.This will cause unwanted noise and lower quality while playing or recording and reduces the life of your device. Specifications:Demagnetizes headsCleans headsautomatically reverses when finishedcleans capstancleans 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 for head cleaner