COBRA sandblasters are used for polishing the surfaces of metal castings in dental laboratories. They have been designed for durability and simple and effective use. •COBRA sandblasters are fitted with a double seal preventing dispersion of dust particles. •Gloves fitted into COBRA units are resistant to blasting action and offer effective protection from abrasion. •Viewport shield fitted on the inside of the blasting chamber protects the glass from abrasive damage and excessive wear. •Electroluminescent lighting (EL) used to illuminate the blasting chamber is superior to normal incandescent...