The specific design of the diamond band of RUBI's TVA diamond disc offers a higher cutting speed in the hardest materials without sacrificing the quality of the finish The range of TURBO VIPER - TVA discs is made up of the most common diameters for use in grinders (115, 125, 180 and 230 mm), but also includes a ""MINI"" diameter of 85 mm, perfect for the execution of small-sized cuts This particular diamond blade combines all the goodness of a TURBO blade with the benefits of a specially designed diamond band to reduce cutting stresses and improve the quality of the finish