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Concrete Overmold Blade Replacement Kits.
 

Diamabrush 25 Grit 36 Replacement Blades CW For 19" & 20" Brushes.

36 Blades.

25 Grit Diamond Blade.

Wearable Substrate Blades.
 
Diamond Blade ( Retains Sharp cutting edge as the Tool Wears ).
 
Estimated Blade Life up to 30,000 Sq. Ft.