Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x12mm, Height: 4 inch, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 7ml, PK48
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Dimension: 100x16 mm, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures & thermal shocks, capacity: 12 ml, PK48
Test Tube, Material: Made from high quality, heavy duty, Borosilicate Glass, Light wall with Rim, Dimension: 150x18mm, Autoclavable, with superior chemical durability. Low temperature gradient- can withstand high temperatures, capacity: 25 ml, PK24
Tech-Med* Pocket Eye Test Chart, Use at 14 in Provides 20/800 distance, Durable, laminated plastic, Metric & English Scale on back, Size: 6-1/2x 3-1/2 in