Verbatim Write-Once MO disks perform error-free in demanding jukebox and library mechanisms. MO disks feature a special anti-static/dust-resistant coating that eliminates the problem of static charge, while protecting the cartridge against debris and moisture. Features: - Specifically designed for use as write-once media in ISO Standard 5.25" multi-function drives, data cannot be altered without detection. - Certified to withstand over 100,000 insertions in optical disk libraries/jukeboxes, and archival life exceeds 40 years - Unique features like the slip ring and plastic centered hub add unparalleled reliability, especially in jukebox environments. - Special protective coating to safeguard information for a lifetime of service. - Proprietary anti-static coating that helps reduce electrostatic charges that can cause problems in jukebox/library mechanisms.