Check the listing for details. 5" Con-Flex 5-Step Diamond Pads for Concrete. Condition: New. Listed at 16.45 USD. Realizing the lacking of flexible premium diamond pads specifically formulated for polishing concrete, Applied Diamond Tools designed and developed the first 5 step flexible diamond polishing pads for concrete. Hard to find a good diamond pads for polishing round over edges of concrete? Con-Flex is the answer! Hard to find a good and cost effective flexible diamond pad for polishing edges of floor? Con-Flex is the answer! Hard to find a flexible 5-step diamond pads for polishing concrete surfaces? Con-Flex is the answer!5" more suitable for polishing surfaces;Very flexible for polishing edges and round over, concave areas;5 steps only to save labor;High gloss results with step 5 as shown on video;Long lasting means less cost;Dry or wet use;Thickness: 3 mm