2 Pack, 1/2" Nylon Brush, Ideal For General Cleaning & Polishing Especially In Hard To Reach Places Such As Slotted Surfaces, Nylon Bristles Make It Great For Polishing Silverware, Jewelry & Other Precious Metals, Can Also Be Used For Cleaning Hard Plastic Or Aluminum Such As Graphite Golf Clubs Or Aluminum Wheels, Can Be Used With Polishing Compound.