1 piece TopsTools Segmented Diamond Cutting Disc accessory kit. Suitable for cutting through a variety of construction materials such as concrete, stone, brick, roof tiles, reinforced concrete. TopsTools Diamond Cutting Discs have been designed using only the finest diamond concentration, which results in high performance, durability and longevity. Diamond blades specially designed for both professional and DIY use. Professional Quality Segmented Diamond Circular Saw Blade for Dewalt, Makita, Milwaukee and other Circular Saws which use a 230mm Blade with a 22.23mm or 20mm bore.