Specification Brand : Garosa BulletPoint1 : Processed with fine quality synthetic diamond coating that provides for a more consistent diamond scratch pattern. BulletPoint2 : With air holes designed to aid in and maintain a cool stable cutting pattern and reduced wear. BulletPoint3 : Used on high-speed electric grinder and pneumatic tools. BulletPoint4 : Generally applicable to the grinding of marble, granite, ceramic, artificial stone and glass, etc. BulletPoint5 : Suitable for people who do granite and marble worktops, headstones, tilers, builders. Color : Blue IncludedComponents : No ItemName : 4” Diamond Segment Grinding Wheel Cup Heavy Duty Angle Grinder Wheels for Sanding Concrete Stone Cement (blue) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 12 centimeters ItemPackageDimensions_Width : 12 centimeters ItemTypeKeyword : angle-grinder-wheels Manufacturer : Garosa ModelName : Garosao6ytxn14m9-bl ModelNumber : Garosao6ytxn14m9-BL NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : Garosao6ytxn14m9-BL ProductDescription : Specifications: Material: Diamond Grinding Wheel Production Process: Sintering Color: Blue, Green, Red (Optional) Diameter: 100mm /4in Inner Hole Diameter: 20mm / 0.79in (without metal-ring) Inner Hole Diameter: 16mm / 0.63in (with metal-ring) Thickness: 5mm / 0.2in Package Size: 120 * 120 * 30mm / 4.72 * 4.72 * 1.18in Package Weight: 185g / 6.52ounces Note: 1.Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. 2.Please allow a little measuring deviation due to manual measurement. Package List: 1 * Grinding Wheel Disc