US Patent 7677390 Individual packaging unit for precision tools

An individual packaging unit for precision tools that includes a base part with a receiving opening for receiving a shaft of a breakable object loosely and with clearance. A protective part with a groove-shaped receiving device for anchoring the precision tool is disposed on the base part in a way to be pivotable, said protective part comprising at least two functionally separate portions wherein one portion is a clamping part, and the other portion is a receiving part. The individual packaging unit is closed with a push-on protective cap that is pushed in a longitudinal direction to engage the base part. The clamping part clamps the precision tool when the protective cap is pushed onto the individual packaging unit.