The new TWSBI Vac 700R has a vacuum filling system which makes filling your pen with ink a breeze and minimizes mess. The TWSBI Vac 700R is a stylish pen with unique clear demonstrator design and extra large ink capacity. TWSBI has made a number of improvements to the inner workings of the pen so that the ink flows more smoothly. However the old Vac 700 nibs will not work with the new Vac 700R. Comes with a 1.1 stub.