The I&J123-D50 from I&J Fisnar Inc. is designed to eliminate the problems of working with 50ml cartridges when accurate and repeatable dispense cycling is required. The system includes a stepping motor drive, coupled by a Hydro-Link to a double contact-ram that enters both barrels of the 50ml cartridge. A control unit houses the stepping motor and a Palm computer for controlling the dispense setup and incorporates a graphical display to indicate when the cartridge is empty. Shot sizes of 0.002cc are possible using the dispenser.