Brand Name: CRAFTSMAN *Socket Size: 21 mm *Drive Size: 3/8 in. drive *Metric or SAE: Metric *Number of Points: 6 Point *Style: Deep *Product Type: Deep Socket *Number in Package: 1 pc *Material: Alloy Steel *Packaging Type: Carded *Length:4.6 in. *Finish: Polished Chrome *Impact Rated: No *Vendor Internet Sales Policy: Sale of this product on third-party online marketplaces (eg. Amazon, eBay, Walmart) is prohibited