Diamabrush 16" Concrete Prep Tool 25 Grit CCW. Let us know the make and model of your machine and we will fit it with the right clutch plate. Rotation sensitive, so counter rotating twin brushes require one clockwise one counter clockwise. The Diamabrush Concrete Prep Tools have simplified surface preparation for the end-user. The Diamabrush Concrete Prep Tools mechanically etch prepare bare concrete floors to receive a coating creating superior coating adhesion. Both professionals do-it-yourselfers can prepare profile old, worn, dirty floors using standard 1000 volt or battery powered cleaning equipment, such as automatic scrubbers or single disc floor machines. Key Features Include: There is no need for large, heavy, expensive concrete grinding machines that require 480 3-phase power. The Diamabrush Concrete Prep Tools can be run wet for a dust-free operation. The Diamabrush System is a mechanical Chemical-Free surface preparation method. Achieve a profile for coating systems up to 30 mils thick. The patented wearable substrate design ensures new diamond particles constantly beeing exposed resulting in a consistent profile throughout the life of the tool. Tools are very effective at prepping the low spots in the concrete. Designed to fit a wide variety of rotary flooring machines. Money-saving replacement blades. Diamond Blade ( Retains sharp cutting edge as the tool wears) Custom Mounting Adapters Available. Estimated Blade Life: Up to 25,000 Sq. Ft. 12” Concrete Tool 25 Grit CCW $364.94 13” Concrete Tool 25 Grit CCW $376.26 14” Concrete Tool 25 Grit CCW $562.94 15” Concrete Tool 25 Grit CCW $570.40 16” Concrete Tool 25 Grit CCW $573.52 17” Concrete Tool 25 Grit CCW $594.26 18” Concrete Tool 25 Grit CCW $600.68 19” Concrete Tool 25 Grit CCW $613.04 20” Concrete Tool 25 Grit CCW $630.46 12” Concrete Tool 25 Grit CW $364.94 13” Concrete Tool 25 Grit CW $376.26 14” Concrete Tool 25 Grit CW $562.94 15” Concrete Tool 25 Grit CW $570.40 16” Concrete Tool 25 Grit CW $573.52 17” Concrete Tool 25 Grit CW $594.26 18” Concrete Tool 25 Grit CW $600.68 19” Concrete Tool 25 Grit CW $613.04 20” Concrete Tool 25 Grit CW $630.46 12” Concrete Tool 100 Grit CCW $364.94 13” Concrete Tool 100 Grit CCW $376.26 14” Concrete Tool 100 Grit CCW $562.94 15” Concrete Tool 100 Grit CCW $570.40 16” Concrete Tool 100 Grit CCW $573.52 17” Concrete Tool 100 Grit CCW $594.26 18” Concrete Tool 100 Grit CCW $600.68 19” Concrete Tool 100 Grit CCW $613.04 20” Concrete Tool 100 Grit CCW $630.46 12” Concrete Tool 100 Grit CW $364.94 13” Concrete Tool 100 Grit CW $376.26 14” Concrete Tool 100 Grit CW $562.94 15” Concrete Tool 100 Grit CW $570.40 (description exceeds maximum possible length)