Vitrex Diamond Tile Blade can be used on a variety of materials, such as: ceramic, terracotta and quarry tiles, masonry, stone and concrete. The quality blade features a 22mm diameter bore and a continuous rim to ensure cuts are cleaner. The blades are efficient and effective - perfect for all tiling projects. Vitrex Diamond Tile Blade is 110mm in diameter and comes complete with a 16mm brass reduction ring.