Bosch Professional Expert R781 Prisma Ceramic X-LOCK Fibre Disc - 115mm, 22.23mm, G60 (5-pc) Expertly crafted by Bosch Professional, the R781 Prisma Ceramic X-LOCK Fibre Disc is a top-of-the-line abrasive tool designed for heavy-duty grinding and sanding applications. With a diameter of 115mm and a bore size of 22.23mm, this disc is compatible with most angle grinders and is perfect for use on metal, stainless steel, and other hard materials. The G60 grit rating ensures a fast and efficient removal of material, making it ideal for rough grinding and surface preparation tasks. The X-LOCK system allows for quick and easy disc changes, saving you time and effort on the job. This pack includes 5 discs, providing you with a reliable and long-lasting solution for your grinding and sanding needs.