New Old Stock Pyrex USA Made 5660 Class A 25ml Volumetric Flask with Glass Stopper 2.5" Chucks high-contrast LCD digital readout

high-contrast LCD digital readout

Pot magnets provide more powerful clamping than equivalent round magnets

straight cuts in confined areas

Ring-type knurled lock nut for quick and sure locking

They are made in their factory in Stratford

New Old Stock Pyrex USA Made 5660 Class A 25ml Volumetric Flask with Glass Stopper 2.5" Chucks high-contrast LCD digital readoutNew Old Stock ( Made in 1994) Pyrex USA Made 5660 Class A 25ml Volumetric Flask with Glass Stopper. The flasks have been in warehouse storage for more than 30 years and may have tiny scuffs or light scratches . Includes volumetric flask and stopper. Key Features Get permanent legibility and accuracy with etched red graduation Volumetric flasks are constructed of borosilicate glass Volumetric flask features 25 mL capacity with 0. 03 mL tolerance