Specification Brand : Ddewing BulletPoint1 : Adopts high-quality diamondsas material which is strong and durable. BulletPoint2 : The screw hole is designed for angle grinders and is more labor-saving. BulletPoint3 : The opening is neat and smooth with no broken edges, and does not produce tremor effect. BulletPoint4 : Suitable for marble, ceramic tile, vitrified tile, floor tile, full tile, stone, jade, microcrystalline stone. BulletPoint5 : The hot pressing technology makes the blade thick and opening more fast. Color : 20mm CompatibleMaterial1 : Ceramic CompatibleMaterial2 : Stone CompatibleMaterial3 : Marble FinishType : Finish IncludedComponents : inc ItemName : Diamonds Angle Grinder Hole Opener, Hole Saw Drill Bits Cutting Tool for Marble Glass Ceramic Tile Wall Granite(20mm) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 3 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : Ddewing Material : Material NumberOfItems : 1 PartNumber : Ddewing3vnq7i60kd41252-12 PowerSourceType : PowerSource ProductDescription : Feature: 1. Adopts high-quality diamondsas material which is strong and durable. 2. The screw hole is designed for angle grinders and is more labor-saving. 3. The opening is neat and smooth with no broken edges, and does not produce tremor effect. 4. Suitable for marble, ceramic tile, vitrified tile, floor tile, full tile, stone, jade, microcrystalline stone. 5. The hot pressing technology makes the blade thick and opening more fast.