This 5 piece polishing set has the remarkable function of removing fine scratches from surfaces. Includes 4 wheels, 2" each and one 1/4" shank adapter.* This set includes 1 pc. felt wheel, 1 pc. horse hair wheel, 1 pc. bristle wheel, 1 pc. satin buff * Diameters of all discs are 2-inches * Also has 1/4" shank adpator * Has function of eliminating scratches * 5 Pieces in total for versatility in one product