Profile: Grey Pneumatic Corp. is a supplier of impact and specialty sockets. We offer socket sets, hex drivers, star impact drivers, torque limiting sockets, and chisels. We carry a complete line of impact sockets from ¼" drive through 2-1/2", and #5 spline drive with hex sizes up to 8". Our products are used in automotive, industrial, assembly, maintenance, heavy duty and mining/construction industries.