1.Original Manufacturer 2.Steel Turbo,Aluminium Turbo,Double Row,Swirling 3.4"(100mm) - 9"(230mm) 4.ISO 9001 5.Good Prices Diamond cup wheels/disks for grinding marble,granite/grinding disk for concreteType: Steel Turbo, Aluminium Turbo, Single Row, Double Row, Swirling, etc.Diameter: 100mm to 230mm Applications: Grinding and polishing marble, granite, masonry, natural & artificial stone surface. ...