These long lasting abrasives will give you the assurance of a consistent scratch pattern across the entire floor, leaving the best surface possible for optimal adhesion. Bona 5" Diamond Abrasive Discs are revolutionary in their ability to thoroughly prepare all polyurethane finished floors for recoating, including difficult to abrade ALOX and ceramic prefinished flooring. In addition to being the best smoothing system you can use prior to that all important final finish coat, the Bona Diamond Abrasives last 12x longer than screens and other inter-coat abrasive products. The unique construction and composition of Bona Diamond discs also ensure that they softly conform to the floor and provide unmatched thoroughness in abrasion and smoothing for a scratch - free floor when sanding raw wood. One set lasts 4,000-6,000 sq. ft. on inter-coat abrasion. No visible swirl marks. Consistent scratch pattern. Improves adhesion for recoating
