100PK Test Tubes, 7mL, 12x100mm - Rimless - Light Wall, 1mm Thick - Borosilicate 3.3 Glass

INDUSTRIAL QUALITY || 7ml (0.2oz) Test Tubes made of high quality, heavy duty, Borosilicate 3.3 glass THIN WALL || Uniform wall thickness of 1mm provides excellent thermal shock resistance RIMLESS || Flat, fire polished rims make these tubes ideal for culture testing THERMAL SHOCK RESISTANT || Autoclavable for easy sterilization. Low temperature gradient- can withstand direct flame, high temperatures & thermal shocks 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. Great for organization and storage of spices & craft supplies Set of 100 rimless test tubes made of high quality Borosilicate 3.3 Glass. 7ml capacity. Tubes feature fire polished, flat edges with uniform, 1mm walls.Each tube measures 4" (100mm) tall, with an outer diameter of 0.5" (12mm). Inner diameter measures 11mm. Accommodates stoppers