The Lock-Guard is a device to provide added security to cargo, utility, horse trailers, semi trailer, storage container, and shipping container doors, which use hasp lock assemblies. This is a patented device and we also have other devices which are ready to be developed and marketed. We have over 6000 of the Lock-Guards on hand and a toll free # which is stamped on each device. Asking price is $100,000.00 - Email or contact Bill at 1.608.604.2341 from 9AM to 7PM CST for more information on this Lock-Guard Security Device business for sale.