Borosil Volumetric Transfer Pipette Class A Accuracy ASTM E-969-02 One Mark, Bulb Pipette, with Batch Certificate Borosilicate 3.3 USP Type I, 0.5 mL, CS/10Borosil Volumetric Transfer Pipettes, Class A with Batch Certificate comply with ASTM E-969-02. These Pipettes are graduated for delivery from the zero mark to the last graduation mark. Built sturdy with a design for long lasting quality. Borosil brand Pipettes are truly dependable in terms of their accuracy. These Volumetric Transfer Pipettes are typically used for accurate measurement and decanting of liquid.SpecificationsMaterial: 3.3 Borosilicate GlassColor: ClearCapacity: 0.5 mLClass/ Quality Grade: Type I, Class ATolerance: 0.006 mLQuantity Per Case: 10