These belts are absolutely fantastic. You can get them in a variety of different sizes and they cut through glass as butter.
The single 2 m belt is around four euros. However you have to take 12 belts as a minimum.
Cost of this article are around: 4 EUR
You can purchase the article under the following links:
Disclosure: Some of the links above could be affiliate links. This means that - at no additional costs to you - I earn a small commission when you purchase products through these links.