No doubt, the strongest impact socket line around. Sunex Tools impact sockets tackle the toughest jobs with a chrome molybdenum alloy steel grip that won't let go. With solid durability that keeps them driving through job after job, we've got sizes and styles enough to fulfill any need.
Forged from the finest chrome molybdenum alloy steel-the best choice for strength and durability
Radius corner design extends the life of fasteners, design drives the side of the fastener instead of the corner
Socket is black oxide finish and has etchings for identification
This is a female pipe plug socket. It is 5/16 in. and 3/8 in. drive. This socket is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job.