ULTRA-VEST Investment Randsom & Randolph Dentsply 50lb Blister Package ULTRA-VEST Investment is recognized worldwide as the premium investment for gold, silver, brass, and other non-ferrous jewelry castings. ULTRA-VEST investment provides easy quench and easy clean-up – reducing your risk of losing valuable gold. ULTRA-VEST investment produces smoother surfaces than other investments, resulting in less finishing. Worldwide, ULTRA-VEST investment is widely accepted as being the most process forgiving product available for your casting needs – saving you time and money associated with application-related defects and new employee training. Whether you are casting a simple piece or an intricate shape, ULTRA-VEST investment is the investment of choice.