Description Rupes Bigfoot D-A Ultra Fine 3″ Ultra Fine Polishing Foam Pad. 80/100mm. 9.DA100S. The DA Ultrafine foam pad is constructed using RUPES finest grade of foam, designed for ultra-high gloss finishing and polishing haze-prone or very soft paint surfaces. The new unique material composition of the DA ULTRA-fine pad shows a brighter white color with less propensity for yellowing over time and can also be used for the application of sealants or waxes when no correction is required. 80mm/100mm – 3″ 4″