From the classic Ohaus Triple Beam, Cent-O-GramŪ, and Dial-O-GramŪ, and the entry-level PrimerŪ, and School balance, Ohaus mechanical balances offer you high precision and remarkable value. For more information and specifications on the Ohaus Mechanical Balance Family, visit the Ohaus website. 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 Cent-O-Gram Mechanical Balance Model 311-00 $155.95 OhausŪ Dial-O-Gram Mechanical Balances Ohaus Triple Beam Mechanical Balance $109.95 Ohaus Harvard Trip Mechanical Balance $184.95 Ohaus School Balance $29.50, 6/$157.50 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.