Premium Quality Material: This impact socket set is crafted from steel, offering exceptional impact resistance and absorption. The vacuum heat treatments process ensures a polished, highly resistant surface, making it ideal for various operational environmentsHigh Performance: Designed with a drive, this socket tool kit ensures efficient impact handling by reducing stress on fasteners and minimizing wear. It effectively prevents bolt rounding and strippings, providing greater durability compared to traditional rounded designsEasy Size Identification: Each socket in the set features meticulously rolled size markings for easy identification even in low light conditionsConvenient Storage and Portability: The 1/2" Socket Set comes with a metal toolbox that simplifies carrying while keeping tools organized. This toolbox helps prevent tools from scattering or getting lost, ensuring safe storage and transportComprehensive Components: This extensive kit includes 19 SAE deep sockets and 19 SAE shallow sockets ranging from sizes 3/8" to 1-1/2". It also includes extension bar (3", 5", 10"), a universal joint of 1/2 inch, and an adapter from 3/8 inch to 1-1/2 inchds. Specification: Material: Steel Color: Black Size Chart: Storage Box:43cmx37cmx7cm/16.93inchx14.57inchx2.76inch Package Includes: 1 SAE and Metric Impact Socket Set Note: Please allow slightly errors 1-2cm differences due to manual measurement.