Refill for Tombow Mono Zero Metal Pen Eraser, Rectangular tip in 2.5 x 5 mm, 2 pcs. The innovative eraser MONO zero is available with two differently formed tips for precise erasing: Round tip in 2.3 mm diameter and rectangular tip in 2.5 x 5 mm. It is an essential utensil for all professional or recreational use that requires pinpoint erasing. The slim casing is available in two different colours: Black and white/blue/black. The MONO zero has a push mechanism with metal lead. It is easily refillable. Recycling ratio approx. 77% of gross weight. Awarded with the iF product design award 2010 and the red dot design award 2010. A favorite of designers, architects and cartoonists! The eraser is PVC free.