3/4″ Beveled profile from DTA using the latest in Vacuum brazed technology (VBT) offers aggressive grinding action and long life and without losing the shape of the profile. Used with a 5/8-11 angle grinder or polisher with an RPM target of between 3,000 and 4,000 RPM’s. Use with a wet or dry application. DTA has been serving the tiling, contractors and fabrication markets for over 40 years. Quality is our reputation.