... Grinding and vacuuming Diamond sheet and Resin sheet L154 multifunctional floor grinder Polishing Machine L154 Grinding, polishing and vacuuming machines are versatile ... used for polishing and grinding concrete. Technical parameters:Specification L154 A L154 BGrinding Power 1.0kw/1.3hp 1.5kw/2hpVacuum Power ... DB-4Sand paper D-80S 100”/40”/60”/80”(Optional) L154 multifunctional floor grinder