UseBuilt for use with impact tools, these TEKTON 3/8 in. drive deep impact sockets effortlessly break free rusty suspension and exhaust bolts, quickly remove stuck lug nuts, and loosen crank bolts with ease. PerformanceTEKTON impact sockets efficiently transfer torque from impact wrench to fastener, loosening the most stubborn nuts and bolts. Made from high-strength chrome vanadium steel, our impact sockets are more resistant to drive end round out than standard impact sockets, resulting in a longer useable life. TEKTON impact sockets meet or exceed ANSI performance standards.DesignThe high-torque, 6-point socket grips the broad, flat sides of nuts and bolts, not just the corners, so there"s no need to worry about stripping fastener head or damaging socket. An extra-deep broach enables you to access the entire length of fasteners.MarkingsEven in low light, the high-contrast, permanent laser etched size markings are easy-to-read. StorageThe customized red TEKTON case can be stored in a tool chest or carried to your job site. Molded size markings keeps set organized and identifies any missing sockets.GuaranteeDon"t worry. All TEKTON impact sockets and accessories are backed by the TEKTON lifetime replacement guarantee. So, go ahead, Take It On. Set Includes8-pc. 3/8 in. Drive Sockets (Metric): 10, 11, 12, 13, 15, 17, 18, and 19mm1-pc. Storage CaseSpecificationsDrive Size: 3/8 in.Material: Chrome VanadiumMeasurement: MetricSocket Depth: DeepSocket Points: 6