The MONO zero eraser pens has a push mechanism to advance the eraser and is easily refillable

Four ballpoint pens in one

perfectly suited for dry techniques like pencil

The metal rollerball applicator works best with thick paint (not ink)

It's also refillable and you can change the tip

ballograf epoca p ballpoint pen blue Ink and paint refills The MONO zero eraser pensBallografs classic ballpoint pen that first was introduced in the early 60's. Timeless designed ballpoint pen available in several different colors, choose between the classic blue or the new, modern colors. The pen is delivered filled with blue ink, which is certified archive proof and each cartridge writes a total of 8000 meters. The pen is refillable and just like all Ballograf pens, you have lifetime warranty for the mechanical parts of the pen.