【SPECIFICATION】5pcs mini cutting discs set. Diameter 3inch (75mm), Bore 3/8" (10 mm). 【APPLICATION】Can be used for smooth cutting and grinding of porcelain tile concrete granite metal glass wood fiberglass plastic and rubber 【FEATURE】Super cost-effective because it is suitable for a variety of materials. Vacuum brazed technology makes the blade durable and long service life. 【WHY CHOOSE US】Ultra-thin saw blade, fast and straight cutting, even grinding force, can realize precise, chipless cutting, more durable and cost-effective. 【ATTENTION】Suitable for mini angle grinders with 3/8" (10 mm) arbor and other machines suitable for this specification of saw blades. Please secure the cutting material. Add appropriate amount of water before and during cutting when using glass cutting disc. Please cut as slowly as possible to prevent chipping.