Bona Diamond Abrasives are designed for superficial abrasion of all types of hard coatings prior to overcoating with new varnish. Many sports floors, public floors and pre-finished parquet floors are treated with ceramic reinforced UV-coatings (anti scratch coatings) making the surface exceptionally difficult to sand which is a necessity for good adhesion. Uneven sanding means the risk of having to redo work – making your job more time consuming. Not anymore. Using the unique hardness of diamonds, even and secure results can be achieved on the toughest wood floor coatings. Lasting at least 100m² at a time (one set of 4 discs) and leaving no visible swirl marks, Bona Diamond Abrasives ensure smooth and fast performance – giving outstanding results. Expand your potential and secure brilliant performance with Bona Diamond Abrasives.