4ds5 dongsing extra thick wet polishing pads 100x5mm

they are designed for use with a polishing machine or variable speed angle grinder to polish or restore or maintain for the floor of marble, concrete, terrazzo, granite. they are backed with velcro, can be mounted on a backer pad to fit on any floor machine and polishers. the extra thickness 4 inch (100x5mm) provides extended life. velcro backed allow fast changing with a backer pad. made with diamonds and resin..syi