Specification Brand : Tyenaza BulletPoint1 : This grinding disc can grind masonry, stone and concrete very quickly. BulletPoint2 : High diamond concentration, longer service life, and more difficult to remove materials. BulletPoint3 : With multiple holes and multiple teeth, which makes the grinding efficiency higher. BulletPoint4 : With a heat-treated steel body, it can improve durability and wheel life. BulletPoint5 : Conform to strict quality control standards, dependable to use. Color : #602 ExternallyAssignedProductIdentifier : 9148735778182 IncludedComponents : No ItemName : Tyenaza 125mm/4.9in Grinding Cup, Diamond Grinding Cup Wheel 14 Teeth Polishing Tool for Cement Concrete Stone ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : surface-grinding-wheels Manufacturer : Tyenaza ModelName : Tyenazam278tf5bgr ModelNumber : Tyenazam278tf5bgr NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Tyenazam278tf5bgr ProductDescription : Item Type: Grinding Cup Color: As picture shown Material: Diamond Diameter: Approx. 125mm/4.9in Center Hole Diameter: Approx. 22mm/0.9in Small Hole: Approx. 9mm/0.4in Side Hole: Approx. 16mm/0.6in Number of Teeth: 14