Continuous measurements Various read-out options Available for bolt sizes M20 through M72, corresponding with 7/8″ to 2-3/4″. Possibility to receive visual and acoustic warnings in case bolt load drops Read-Out options For more information about the Continuous Monitoring System: CMS Manual CMS Technical Data Sheet CMS Productsheet Periodic measurements Wireless system Available for bolt sizes M30 through M64, corresponding with 1-1/4″ to 2-1/2″. Data can be obtained by scanning the sensor. Read-Out options For more information about the Periodic Monitoring System: PMS Manual PMS Technical Data Sheet PMS Productsheet At BoltSafe we are commited to providing the total solution. If you cannot find the relevant component part on this site, please do not hesitate to contact us.