Universal diamond blade 2 x 115mm x 222mm bore the low cost diamond cutting disc that is a problem solver in all building materials sintered diamond cutting segments best for these materials brick clincker limetsone mortar plaster pavement slabs poroius concrete pumice stone sandtsone screed concrete also suitable for these materials cement bonded fibre board clay brick hollow brick combinations stones concrete fresh concrete old concrete re inforced exposed concrete gypsum marble roofing tiles