Grinding Wheel, 100mm Resin Grinding Wheel 180 Grit Cutter Grinder for Carbide Metal for Uncomplicated Grinding Operation Application: The grinding wheel is mainly used in alloys knives, saw blades, serrated grinding process. Meet your needs High performance: Resin for uncomplicated grinding operation with good material removal rates, while maintaining a low thermal influence on the work piece Practical: Can be used in various tools and cutter applications. 100mm/3.94" Dia grinding wheel with 20mm/0.79" Dia mounting hole to fit on grinder machine Specifications: Condition: 100% Brand new and high quality Material: Resin, diamond alloy Color: As the pictures show Craft: Sintering Grit: 180 grit Hardness: 10 Concentration: 75% Outside Diameter: Approx. 10cm / 3.94 inch Mounting Hole Dia.: Approx. 2cm / 0.79 inch Thickness: Approx. 1cm / 0.4inch Weight: Approx. 120g Package Includes: 1 x Grinding Wheel Note: Please allow 0~1 inch error due to manual measurement. Thanks for your understanding.