Although this rugged, metal and glass topped Class A prescription balance is no longer made, we have a like new, hardly used, DRX-2 model balance available.  If you want a balance with a metal and glass lid, in exceptional condition, this is the balance for you. Fully calibrated, with a 6 month warranty, this balance is ready for use.

"Torsion Balances are built upon a principle eliminating all knife edges and consequent friction and wear, thereby ensuring permanent accuracy.  Torsion Balances are permanently accurate and sensitive."  (Torsion Balance Company)