This Grey Pneumatic 1140T socket is a heavy-duty, non-ratcheting impact socket designed for use with a 3/8" drive and T40 internal star impact driver. Made of durable steel and finished in a sleek gray color, this socket is a must-have for any mechanic or DIY enthusiast. The socket is compatible with metric measurements and comes with a lifetime manufacturer warranty. Perfect for use in home and garden projects, this Grey Pneumatic socket is a high-quality tool that will help you get the job done right.