Main body of boligrafos writers. (Machine-translation by Google Translate, not legally binding)

摘要

Main body of writing pens, which is characterized in that it is essentially constituted by a tubular body in whose respective ends has recessed and threaded extensions for coupling the cap of the ballpoint pen in one of them and in the other a capsular cap tightly screwed. (Machine-translation by Google Translate, not legally binding)