Screw-locking devices are designed to prevent the unwanted loosening of screw connections because of external influences such as vibration or corrosion. The lock machine element is added to a screw connection by the manufacturer as an additional component.

This kit is used for demonstration and information. It is not designed for performing exercises or experiments. Screw-locking devices are shown in their installed state on an aluminium plate. A transparent box contains a large number of Screw-locking devices.

The kit is arranged clearly in a storage system.