Proton 1100 Degaussing Wand: Proton 1100 Degausser is a small and easily portable wand with a powerful magnetic circuit that will fully erase magnetic information stored on disk drives, diskpacks, and any magnetic media with a flat surface. It has also been tested and approved for use on perpendicular magnetic disk storage devices. wand itself weighs just 4 ounces yet has a magnetic field intensity of 5,000 Oe and is NSA approved for magnetic media data erasure. A shielded case comes with wand to provide safe storage and prevent unwanted erasures from occurring. This case is made of tempered steel and weighs 14 ounces. Its dimensions are 5"L x 0.7"H x 2.2"W. What is truly convenient about a degaussing wand is that there are no power requirements, so you can degauss magnetic media wherever and whenever you need to.