220V-50Hz Datastroyer 1628 MS High Security Paper Shredder Level 6/P-7The Datastroyer 1628 MS Level 6 P 7 paper shredder is a Level 6 P 7 shredder, meaning that it has been evaluated by the NSA to meet or exceed the NSA CSS Specification 02 01 for destroying paper, including top secret shredding. In order to satisfy this unique high security requirement, the 1628 uses hardened steel cutting cylinders that are tightly aligned for tearing paper down to an incredibly fine confetti cut.