For more information and specifications on the Ohaus Mechanical Balance Family, visit the Ohaus website. Choose the model number you are interested in from the list on that page. You can also find details on each model below by clicking on its icon and following the link you find on its page. Use your browser's BACK button to return here to purchase your scales. Ohaus Dial-O-Gram Mechanical Balance Model 310-00 $167.95 Ohaus Dial-O-Gram Mechanical Balance Model 1650-00 $167.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.