Features: The thin cutting rim allows for the best combination of cutting speed and blade life while producing a first-class cut! Unique diamond-shaped cutouts prevent blade wobble and keeps blade cooler for a longer life Diamond blade for long-lasting performance and minimal chipping Widely application:Polishing ceramics, hard alloys, artificial stone, glass, stone, monocrystalline silicon. The product is made of high quality material,durable. Specification: Material:diamond Diameter:100 mm/3.9 in Inner diameter:16 mm/0.6 in Type(optional):#1 Toothed with Hole #2 With Radian #3 Without Radian Package List: 1*Diamond SawThe product is made of high quality material,durable.