100% brand new and high quality. Using the performance is good, strong wear resistance, long life, high efficiency. Is mainly used in machinery, industrial machinery parts, such as metallurgical casting, casting surface deoxidization. Specifications: Color: Pink, Quantity: 10pcs, Size: As Picture Shows, Material: Ceramic, Bore diameter: 4.5mm/5mm/6mm/7mm. Package Include: 10pcs*Sandblaster Nozzle. Note: Please allow 0.1-0.3cm differences due to manual measurement. Please understand because of the light irradiation or computer display difference, so I can't guarantee photos and real color is 100% the same.