Features: *for sandblasting, marble engraving. *Instead of cast iron, alloy steel blast nozzle,saving steel, reduce the cost. *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 for deoxidization. Specification: Product name: Sandblaster Ceramic Nozzle Tip Material: Ceramic Color: Pink Length:35mm Outside diameter:15mm Optional Bore diameter:4.5mm, 5mm, 6mm, 7mm Suitable for:machinery, industrial machinery parts, such as metallurgical casting, casting for deoxidization. Quantity: 10Pcs Package Included: 10 Nozzle Tip Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.