Cheap And Discounts HOLDWIN Pressure B4C Abrasive Sand Blasting Nozzle 2'' UNC Aluminum Jacket Boron Carbide Nozzle hole 8/10mm Wholesale. Buy Directly From Merchant Holdwin Sandblaster parts Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.