Is heavy hogging an issue of concern for you? We have introduced new turbo cup wheels having a cutting surface loading with diamonds to prevent heavy hogging. They are available in various sizes ranging from 4” to 7”. Intended for Granite, Marble and Engineered Stone, it can be applied for both wet and dry usage.http://www.continentaldia.com/c-185-terminator-turbo-rim-grinding-cup-wheels.aspx »