This Cornwell Tools USA set includes 55 pieces of deep impact power sockets in SAE and metric sizes. The set features both 6 point and 12 point impact Sockets, shallow and deep, with a drive size of 3/8 in, 1/4 in, and 3/4 in. The set also comes with extension tools, big 3/4 sockets, an adapter, and universal/swivel sockets for added versatility. The sockets are finished with black oxide and manufactured in the United States. This set is perfect for automotive professionals, DIY enthusiasts, and anyone who needs a reliable set of sockets for their projects.