The Craftsman CMMT12005LZ Metric Bit Driver Set is a comprehensive 35-piece set that includes sockets ranging in size from 5/16in. to 2in. This set is designed to work with both SAE and metric measurements, making it versatile for a variety of automotive applications. The 6-point drive type ensures a secure grip on nuts and bolts, while the portable case makes it convenient to carry and store the tools. With a 1/4in. drive size, this set is perfect for fastening and loosening nuts and bolts with precision and efficiency. New unopened original packaging free shipping