Description Key Features of the DIESEL TOOLS 8PC IMPACT ADAPTER SET Adapter Type Impact Product Types Impact Adapter Set Stem Type Square Sizes Included This set comes with the following adapter sizes: 1″ X 3/4″ 3/4″ X 1″ 1/2″ X 3/8″ 3/8″ X 1/2″ 3/4″ X 1/2″ 1/2″ X 3/4″ 3/8″ X 1/4″ 1/4″ X 3/8″ This high-quality impact adapter set from DIESEL TOOLS, available at The Fix it Center, is designed to meet the needs of professionals and DIY enthusiasts alike.