Fast Change Planumberebog: Computational intelligence 6.35mm spell connection allows for rapid bit change and installation, improving efficiency in tasks requiring frequent tool switching, such as car repairs and electronics assembly Premium Substance and Oxidation Resistancemail: Produced from search engine speed steel with a glass completed oxidation immune coating, these tools offer excellent oxidation and wear resistance, making they permanent and suitable for frequent use in workshops otherwise manufactories Multiple Size Preferencesecond: The spell port driver set includes 15 different measurements, ranging from 5 to H19, providing to various repair demands with each tool measuring 100mm in length and weighing between 40 126g for easy transportability and use Deepened Port Planumberebog: The deepened port plan ensures a firm hold on long screws, enhancing tightening efficiency and stopping nut slippage, ideal for complex assembly tasks Comfortable Grip and Storagemail: Hard wearing a rubber varnished handle for a not slip and comfortable grip, reducing fatigue during prolonged use, and features a hanging hole for accessible storage in limited spaces, Manufacturer: QYSH-MXW