Improved structure of a multi-angle nut and its driving or unscrewing tool

摘要

The invention relates to an improved structure of a multi-angle nut and its driving or unscrewing tool characterized in that the outer diameter of the nut and the inner diameter of the driving or unscrewing tool are longitudinally gradually reduced from one end to the other end. The nut can be used by engaging in pairs with the said tool as well as with other tools with general conventional structures.