Product Description QUICK CHANGE FLAP DISCS Professional series 50mm (2″) 10pc pack 40grit Flex-Pro flap discs are designed and engineered to perform. The professional series discs are produced to meet the needs of busy professional welding and fabrication workshops by offering a quality disc at a very economical price. Produced using high grade cloth and quality German made adhesives these discs feature premium German Zirconium oxide which provides fast stock removal thus reducing work time whilst offering durability and good disc life. Features and specs Professional grade Fast stock removal Durable SIZE: 50mm Quick change roloc type screw PACK OF 10 DISCS