Glass Technologys glass polishing kit removes minor glass blemishes and surfaces scratches while restoring the original shine to the surface. This kit is ideal for any do-it-yourselfer looking to repair minor blemishes or surface scratching that cant be felt with your finger nail. Also works great to restore the shine to any window that may have a dull finish. Power drill that spins at 1500 rpm recommended. Can be applied by hand. Includes:1/2 lb of Diamond Fast Powder1-5 felt pad1-5 backing pad1 spindle adapter.