Stopper, solid bottom, recommended by ASTM std, colour: Blue, from long lasting neoprene rubber, use with petroleum products, minerals, oils, inorganic acids, oil resistance, suitable for temp up to 250 deg F/120 deg C, Size: 8.2 mm, Top 12.7 mm, Len 25 mm
Beaker, Heavy Duty, Graduated, made from premium borosilicate glass, Thicker walls than regular beakers, heat tolerances: Strain Point -515 degree C, Annealing Point 565 degree C, Softening Point 820 degree C, White Graduations, Superior Durability and Chemical Resistance, Size: 100ml