Tombow Mono Zero Rectangular Precision Eraser Refill The innovative MONO zero eraser is designed for precise erasure. Rectangular tip 2.5 x 5 mm. Thanks to the long metal chamber, the MONO zero remains slim but stable. At the same time, you get a clear view of the paper, allowing you to erase with a high degree of precision. Thanks to the short interval trigger mechanism, you always retain control over the length of the eraser and can prevent it from breaking. An essential tool for any professional or recreational use that requires precise erasure. Easily rechargeable. Winner of the iF Product Design Award 2010 and the Red Dot Design Award 2010 Brand: Tombow