1PCS DIA 60mm 80mm 100mm 130mm 160mm Lab Porcelain Mortar and Pestle White Mixing Grinding Bowl SetSpecification:Material: ceramicsQty: 1pieceApply to:1. Super hard material micro powder, for example: diamond grinding wheel abrasive powder.2. Electronic micropowder, for example: semiconductor powder, polycrystalline silicon powder.3. Resin powder.4. Food micropowder, such as coffee powder.Note: Small black spots on the mortar and pestle are a normal phenomenon in high temperature firing, not a quality problem.==========Origin : Mainland ChinaClassification : Flask Qty: 1piece Apply to:1. Super hard material micro powder, for example: diamond grinding wheel abrasive powder. 2. Electronic micropowder, for example: semiconductor powder, polycrystalline silicon powder. 3. Resin powder. 4. Food micropowder, such as coffee powder. ASIN B0FP4LHR6Q Color One Color Brand Name DFUVFKGOP Part Number DFUVFKGOP Manufacturer DFUVFKGOP Model Number DFUVFKGOP Number of Items 1