Selecting your trailer seals smartly will provide lots of uses and advantages. A single lock can be used as a protection device and also for tamper evidence. Many different verities of bolt type seals are available which can be used to lock the door and on the other hand a tool for identifying the intensity of the theft. For example ISO 17712:2010 bolt type seal is constructed with ant spin technology which is a multi purpose trailer seals. This Compliant High Security Bolt Seal which consists of a steel bolt and a plastic-coated steel locking chamber. This device is designed for ISO containers and high value shipments and is a special High Security Anti-Spin Bolt Seal. There are lots products are available in the market similar to this ISO bolt seal and all you have to know is the working of the trailer seals to find one with good quality and for multi-propose users.