1.Diameter:105-350mm available 2.Thickness:1.0-3.0mm available,etc 3.Grit:30/40 40/45, or upon your request ... Marble 1.Best price and quality2.Thickness: 1.0-3.0mm available,etc. 3. Grit: 30/40,40/45,or upon request ... /22.23 Flange 4/8 pin 1. Marble 2. Granite 3. Porcelain tile 4. FRP&GRP Composite material For Hard stone, Dry ...