They are all 1/2 inch drive. They all feature large markings for quick size identification and a Black Oxide finish for corrosion resistance. Rest assured that they are all genuine CRAFTSMAN sockets. These sockets are a perfect/must have part of any mechanic or handyman’s toolbox. Sockets that I keep in my personal toolbox. Don’t forget that all CRAFTSMAN hand tools are GUARANTEED FOREVER! And you will not be disappointed with the value that you may leave here. 1/2 Drive SAE Impact Hex socket bits. 1/2 Drive METRIC Impact Hex socket bits. 1/2 Drive Torx socket bits. 1/2 Drive External Torx socket bits. And on their way to you within 24-36 hours after cleared. (excluding weekends and holidays).