The diameter of the logs is 48-50 mm. These loom dowels are used in the bohemian craft, macrame making and wall hangings. They may also be used as beginners tools and supplies. The logs are polished with linseed oil. Lighting/Colour: Due to monitor and phone lights the colors in the picture may differ slightly when compared to the colors of the product which will be given to you at your doorstep. We apologize for the inconvenience.