The SV91M NATO approved degausser is ideal for the security conscious, low volume operator who wants to have a professional, low budget solution to eliminate magnetic media security risks. The SV91M high energy bulk degausser is a low noise, table mounted, manually operated degaussing tool, takes as little as 12 seconds to completely erase a cassette.  Suitable for erasing DLT, DAT, PC hard drives and other high coercivity tapes. The Verity SV91M degausser is particularly recommended for erasing defective or damaged drives where other types of erasure systems may not be effective.