If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Diamond grinding wheel for granite marble polishing Diameter (mm) Thickness (mm) Inner Hole (mm) 150 20/30/40 30 200 20/30/40 30 250 20/30/40 50 300 20/30/40 50 350 20/30/40 50 *Subject: *Nama awak: *E-mail: *Telefon: WhatsApp: Company: Country: *Content: Submit Δ