The pen is simply refilled with ink cartridges and you will get one black ink cartridge andone red ink cartridge when you buy the pen

and a matching bookmark ribbon make it practical to use

94 plain numbered sheets / 188 pages

from smooth to rough

tombow mono zero elastomer eraser pen 2 3mm multivariantcolorpicker The pen is simply refilledProfessional eraser pen with a 2. 3 mm wide round tip. An essential utensil for artists and other professionals that requires pinpoint erasing. The MONO zero eraser pens has a push mechanism to advance the eraser and is easily refillable. This product is made of 90% recycled materials and won both the Red Dot and the iF product design awards 2010.