Diamond frankfurt, Diamond grinding block, Diamond grinding disc Mainly use for marble grinding or profilingm. It is usually used in the first process to make the slabs smooth. The segment on the frankfurt could be adjusted according to different process.Grits: 36#, 60#, 80#, 100#, 120#, 180#, 220#, 280#, 320#, 340# etc.Other types and grits are available upon request.Advantage:1. High effeciency ...