Diamond Hand Polishing Pads/blocks are used to perform light on-site polishing on 20mm,30mm and 40mm full bullnose edges. They are ideal for polishing granite, marble, limestone, sandstone and concrete.  Colour coded and available in 50,100,200,400,800,1500,3000 Grit. Metal bond for faster polishing and maximum lifespan, much more efficient than resin bonded variation.