Premium Quality: All beakers are made of thick and high-quality borosilicate glass
A locking mechanism prevents accidental volume shift while the instrument is in use
Standard Specifications: Each diode is rated for specific voltage and current requirements
Convenient and Ready-to-Use: The HistoTainer II Prefilled Specimen Container is a single-piece container prefilled with 10% Neutral Buffered Formalin solution
Included: Each set contains 106 pieces
Moh's Hardness Crystalline Form Premium Quality: All beakers areHoused in a compartmented collection box, and an identification list is included. 9 numbered samples, 1" x 1" streak plate magnet glass slide copper strip. Minerals: Talc, Selenite, Calcite, Fluorite, Apatite, Microcline, Quartz, Topaz, Corundum All samples are pure crystalline forms to ensure accurate test results. You can also perform other physical properties tests with the included materials. If you need custom order with different sizes design,