The SM Arnold line of Velocity DX Cutting, Buffing, and Polishing foam pads are specifically designed to provide exceptional results when used with Polisher DA Machines, Such as, Rupes, Flex and all manufactures of random orbital polishersThe SM Arnold line of Velocity DX Cutting, Buffing, and Polishing foam pads are specifically designed to provide exceptional results when used with Polisher DA Machines, Such as, Rupes, Flex and all manufactures of random orbital polishers.