Free Shipping from Contractors Store.. The 4.5 in. Concrete Abrasive Removal Replacement Blades fit the DiamaBrush 4.5 Concrete Adhesive Removal Tool. The DiamaBrush Hand Tools removes mastics, glue, adhesives, epoxies and urethanes, thin-set, paint, and many other gummy coatings. Included in the set will be 6 Blades and 6 Backers." Simplicity - replacement blades are simple to assemble onto the Diamabrush 4.5" Concrete Abrasive Removal Hand Tool Fast - the patented design of the Diamabrush hand tools prevents the tool from loading up or clogging, resulting in fast-effective removal throughout the life of the tool Sustainable - the Diamabrush system is a mechanical removal solution that is chemical-free Cost effective - perfectly profiled surface achieved in less than half the time of competitive abrasive tools - translating into significant cost and time savings for the end-user. Payment also can be made over the phone via Visa, Mastercard, American Express or Discover by calling 239-357-1853 Craig.