6-in-1 Pack: Common size combinations multiply the reach and capacity of your socket system, making the set very versatile for various repair needs. Design. The adapters' spring-loaded detent balls securely lock the sockets in place. Get the most out of them with this handy set of adapters and reducers and make sure you always have the right size for your jobs. High-quality materials. These adapters and reducers are made of high-strength, heat-treated chrome vanadium steel. The nickel/chrome-plated finish resists corrosion and eliminates any risk of rust to ensure long tool life in industrial, mechanical or construction work. These adapters meet and exceed ANSI/ASME standards. Easy to identify. Each tip has its size marked on it, so you can easily identify it when you take it out of the case. Easy storage. Plastic case for easy storage and transport of all components, very practical for everyday use. Do you want a new tool set for industrial, mechanical or construction work? The