Pearl Abrasive 16" Hexpin Double-Sided Tungsten Carbide Sanding DiscPearl Abrasive 16" Hexpin Double Sided Tungsten Carbide Sanding Disc Pearls 16 Double Sided Tungsten Carbide Sanding Disc is excellent for removal of paint, epoxy, thin set, mastic, carpet padding and a wide variety of concrete surfaces. Engineered with Tungsten Carbide Chips. Can be cleaned and used many times. Ideal for use on Pearls Sanding Disc attachment and with any 17 floor buffer. Engineered with Tungsten Carbide Chips Can be cleaned and used