Grey Pneumatic 81659CRD 3/8 Drive SAE and Metric Duo-Socket Set – 59 Piece. The Duo-Socket provides one socket for all applications. This set includes the following: 72 tooth quick release ratchet, 3 and 6 Straight extension. The socket sizes include standard and deep SAE sizes of 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, 1 inch and standard and deep metric sizes of 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm. Packaged in a molded storage case. 6 Point SAE and Metric Sockets. 59 piece duo-socket set. Engineered specifically for use with impact tools. Made of high quality alloy steel (chrome-molybdenum). We are a wholesale tire supply company based out of Minnesota that has been in business since 1928. We sell specialty tires as well as tire and automotive supplies and equipment. Some larger items such as tires, Jack ect. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. Items sent back to us without first requesting a return will not be accepted. You can always contact message us for any return question you may have. Please get in touch if you have questions or concerns about your specific item.