Metabo’s Speed-Flex grinding discs offer the best of both worlds: they are incredibly comfortable to work with and have an extremely aggressive rate of removal which makes them the ideal abrasive choice for demanding jobs requiring quick results. Speed-Flex products require minimal pressure when removing material, which helps to increase control and improve quality results. Many users prefer to use the product for jobs that require blending materials. You will be impressed by the speed these discs remove material.