DEWALT®'s 1/2 In. to 3/8 In. socket adapter is part of a line of impact driver rated socket adapters that has been recognized for its best in class durability. This means you can be sure that the adapter will never let you down. DEWALT® understands that you can't always predict which tools you need on the job, so this adapter is designed to be ready when you need it. Used by mechanical contractors, deck builders, general contractors, garage door installers, and HVAC technicians, the 1/2 In. to 3/8 In. socket adapter is an important part of a professional everyday tool set.