Silver Rollerball Tango Black Lacquer. The silver Tango Roller Ball has a screw on cap. The 925 sterling silver cap which has been covered in brilliant black lacquer. The black lacquer on the cap has been engraved with a ring pattern, which then shows the sterling silver through. The lower part of the pen is finished in brilliant black lacquer. The silver Tango Rollerball is presented in a luxury gift box including a 10 year guarantee and silver cleaning cloth. Matching Ballpen, Pencil and Fountain Pen available. See below for matching pens, refills and accessories.