6" Cotton Polishing Buff with 5/8 Arbor The DeWalt 6" cotton polishing buff with 5/8 arbor is an extremely durable and useful attachment. Use this to increase your efficiency and decrease your work time. Superior build quality means you will be using this bit for years with minimal wear and tear. A must have for any professional or do-it-yourselfer. Features: High quality materials for consistent performance Specifications: Diameter: 6" Arbor Size: 5/8" Material Type: Cotton Pack Quantity: 1 Max rpm: 4200 DEWALT is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.