UseBuilt for use with impact tools, these TEKTON 3/8 in. drive deep impact sockets can quickly remove stuck lug nuts when changing tires, break free rusty suspension and exhaust bolts, and loosen crank bolts with ease.PerformanceTEKTON impact sockets are designed to efficiently transfer energy from impact wrench to impact socket, which effortlessly removes the most stubborn nuts and bolts. The carbon steel construction consistently resists drive end round out. And our impact sockets are manufactured to meet or exceed ANSI performance standards. If you frequently use impact sockets, we recommend checking out the stronger, more durable TEKTON 4845 chrome vanadium set.DesignThe 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.MarkingsA large, stamped sizes makes it easy to find the socket you need.StorageThe customized grey TEKTON case can be stored in a tool chest or carried to your job site.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 (SAE): 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, and 13/16 in. 1-pc. Storage CaseSpecificationsDrive Size: 3/8 in.Material: Carbon SteelMeasurement: SAESocket Depth: DeepSocket Points: 6