Securian Industries Double Door Jammer Security - Large and Double Door Jammer

• Simple sliding action to release open or retain a door closed
• Extended box section arm to clear risen door thresholds
• No self-Lock-in problems, no keys to find or to lose
• Suitable for large or double doors

The larger MX-4 Day & Night Door Jamming, like its smaller cousin the MX-1, is more suited to larger or double door configurations. The MX-4 is easy to install and operate, and with no lock or keys needed it works without complications. This simple yet effective device can protect your large doors or double doors from being opened when attacked by force or when a door’s lock has been picked or compromised by someone with criminal intent. Due to its precision made, high specification billet and box section materials of construction the MX-4 can withstand very high attack forces leaving you with the peace of mind that your home or workspace is well protected. The simple sliding action ensures you can retain a door closed or release a door open in seconds using hands or feet to slide the retaining bar away from its base, this ensures fast and effective operation in an emergency situation too.