4 x Discs no longer need. Experience the durability and precision of Arrow Abrasives Limited with these high-quality grinding discs, perfect for metal applications. Each disc measures 180mm in diameter and is a robust 4mm thick, designed to tackle the most demanding tasks. Compatible with angle grinders, these grinding wheels are engineered for optimal performance on metal surfaces. The Arrow Tuf Metal Grinding Discs are crafted in the United Kingdom, The model A30RBF3 TYPE 27 reflects the commitment to excellence, making these discs a trustworthy choice for professionals and enthusiasts alike. Keep your metalwork precise and polished with these superior grinding discs.