Single Push Bar Panic Bolt with Dogging Function for use on single-leaf escape doors. This system has a dogging function for easy use with a ‘hold-open’ action which enables the exit door to be used as a normal service door during the day. Bolt retracts, permitting free access. Certified to BS EN 1125. CE mark and Certifire tested. Fire door rated and comes with a 10 year mechanical guarantee.