Check the listing for details. 3/32" Kennametal ROCTEC Composite Carbide Nozzle Sandblaster Tip, Long-Lasting. Condition: New. Listed at 178.99 USD. Bore Diameter: 3/32" ID for light and finer grit applications. Standard tapered nozzle tip. ROCTEC sandblaster nozzle tip is one of the longest lasting products on the market. Made of composite carbide, lasts much longer than ceramic, Tungsten Carbide & Boron Carbide. Holds up to aggressive abrasive like aluminum oxide and silicon carbide. Has a service life of 1,000-2,000+ hours with aluminum oxide abrasive! Get better performance with low-wear nozzles and save money in the long run! Size:3/32" ID, Medium Size Size Bore Diameter: 3/32" ID. 7/16" O.D., tapered to 5/16" O.D. Length: 1-5/16" ROCTEC® Composite Carbide Nozzles (aka ROC) provide even longer life than that of boron carbide nozzles. This nozzle material is ideal for applications using aggressive abrasives like aluminum oxide and silicon carbide. When blasting with aluminum oxide, the estimated service life of each of the below nozzle materials is shown below: Aluminum Oxide Ceramic= 1-4 hours Tungsten Carbide= 20 – 40 hours Boron Carbide= 200 – 1000 hours Our ROCTEC®= 1000 – 2000+ hours