... .soft, mid-hard and hard bond separatly Usages:1. For stones such as granite, marble, natural and artificial stones, etc.2. For fast rough dry or ... and types as below:- Size(inch)3, 4, 5, 6, 7TypeSingle Row, Double Row, Turbo Row, Radial, SnailConnection22.23mm, 5/8inch -11 ... double row cup wheel as below:- diamond grinding cup wheel for marble and granite surface,corners,deges ...