Selected to offer the best combination of performance and durability. Ceramic is a hard wearing material, a great choice for profiling and re-profiling damaged tools. The heavier 60 grit option is an efficient choice for removing plenty of material, while the finer 120 & 220 grit will provide a satisfying finish. Great longevity and highly practical. Cloth backed 220grit Ceramic sanding belt 50mm x 780mm. Compatible with: Robert Sorby Pro Edge Sharpening System Axminster Trade Sharpening system 103474 Axminster Ultimate Edge Sharpening system 105529 Equivalent to Robert Sorby PE240C