Get a precise grip with the professional use 1 inch socket, 12 point This 12 contact point socket has a standard depth that gives you a secure fit and adds torque when you are dealing with the most stubborn nuts and bolts. It is not a pass through type socket. The Craftsman professional use 3/4 inch socket, 12 point is forged from heat treated alloy steel for a hardness that will not bend or break. A silver high polish finish that shines is on this socket, giving your shop a look of professionalism. This socket only requires a quick swipe from a damp cloth to maintain that shine. Markings are easy to read with both stamped and lasered etched details.