Made from precision, uniform borosilicate Schott DURAN® true-bore tubing to ensure the stipulated capacity tolerances (with low '32' coefficient-of-expansion).  These burets feature durable, permanent markings, fine, sharp lines, and large, easy-to-read numbers.  Supplied with inert PTFE stopcocks to eliminate freezing and lubricant contamination and to provide a precision fit within the barrel.

Supplied with a 2mm stopcock bore plug.

Specifications
Cat. #         Capacity       Graduation      Tolerance
GB420-10       10ml             0.05ml            ±0.02ml
GB420-25       25ml             0.10ml            ±0.03ml
GB420-50       50ml             0.10ml            ±0.05ml
GB420-100    100ml            0.20ml             ±0.10ml