DEWALT DX3721 115mm Segmented Rim Concrete Cutting Disc is a professional-grade diamond cutting blade designed for fast and efficient cutting of concrete, reinforced concrete, brick, masonry, paving slabs, and other hard construction materials. Featuring a laser-welded segmented rim, it provides excellent durability, superior heat dissipation, and efficient debris removal during operation, resulting in longer blade life and consistent cutting performance. With a 115 mm diameter and 22.23 mm bore size, it is compatible with most standard 115 mm angle grinders and is ideal for demanding construction, renovation, and demolition applications where precision, speed, and reliability are essential.