... and demagnetization Safety,stability Hard Disk Demagnetizer (disk eraser)General Introduction 1. This table top Magnetic Storage Units Eraser (LCD ... all information or data stored on HD, floppy disk, PC disk, magnetic tape, magnetic card, CD, cassette etc ... Technical Parameters:Applicable mediumHD(=400GB), Magnetic tape, floppy disk, magnetic card, CD, cassette etc.Demagnetizing time30s~ ...