ASTM Class B Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:50mL this 500g bottle of laboratory-grade

this 500g bottle of laboratory-grade sodium borate (borax) serves chemistry and biology buffer preparation work

the lightweight lab-safe body matching glass-block teaching geometry without the mass or fragility

0625 inches for showcasing Cub Scout pinewood derby cars and related models

Mid-length 750mm red insulated lead with a 4mm banana plug at one end and a crocodile clip at the other

ASTM Class B Borosilicate Glass Volumetric Flask with Glass Stopper, White Graduations Capacity:50mL this 500g bottle of laboratory-gradeWhite printed graduations preserve meniscus contrast against dark titrants, with a ground glass stopper sealing an ASTM compliant Class B volumetric body.