This Nanosoft Vitrobot Dewar Metal Parts Set provides essential components for seamless integration into cryo-electron microscopy (cryo-EM) vitrification workflows. This comprehensive set includes a high-quality Ethane Cup (SKU M-CEM-NS-ECUP01), a precision-engineered Spider (SKU M-CEM-NS-SPDR01), and a durable Grid Box Ring (SKU M-CEM-NS-GBR01). These metal parts are designed to work synergistically within the Vitrobot dewar or the Nanosoft Foam Dewar ensuring optimal performance during critical sample preparation steps. They are also fully compatible with foam vitrification dewars, offering versatility for various laboratory setups. The set ensures secure and stable positioning of grids and samples during liquid ethane flash-freezing, minimizing the risk of contamination or damage. By providing reliable and robust components, this set significantly enhances the efficiency, safety, and reproducibility of cryo-EM sample preparation, supporting high-resolution structural determination.