Graduated Cylinders - Glass , Class -A 250ml ASTM with Hexagonal Base , Guard & individual work certificate, Blue Line of Demarcation, Each

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INDUSTRIAL QUALITY || 250ml measuring cylinder made of high quality, heavy duty, Borosilicate 3.3 glass ASTM E4788 || Class A Tolerance, as per ISO/ASTM standards - Includes individual work certificate BLUE GRADUATIONS || Easy to read, blue printed graduations and specifications. 2.0ml Subdivisions. Calibrated to contain HEXAGONAL BASE || Cylinder features a hexagonal base for maximum stability and is fitted with a removable, plastic protective collar GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use