1 in. Drive Jumbo Shallow Impact Cr-Mo Steel SAE Socket Set (3-1/4 in. to 4 in.) with Carrying Case (6-Piece)

From trucks and tractors to heavy equipment and large machinery, big service and repair jobs need the 1 in. Drive Deep Impact Socket Set. Made for use with impact wrenches, these premium chrome vanadium sockets deliver superior performance. Deep broach offers the length to reach over threaded shafts and into recesses. High-torque, 6-point design contacts and grips the stronger flat sides of fastener head, not the weaker corners, to prevent stripping or round-off under extreme stress.Jumbo sockets are suitable for fastening applications in settings such as heavy machinery or large trucks, specially designed for both pneumatic and electric impact wrenches6-point flank drive holds onto fasteners and prevents stripping and rounding off corners of bolts, providing additional security for the fasteners and socketsHigh-contrast visibility permanent laser etched size markings are easy-to-read in low light for easy retrieval and identificationEach socket is made from extremely durable and long-lasting premium chrome molybdenum steel construction with corrosion-resistant black phosphate finishBlack phosphate is a coating used on sockets to protect them from all the dirt, oil, and grease that could potentially break down the socket qualityFeatures impact-grade steel case to neatly organize the socket set when not in useIncludes 8 jumbo SAE socket sizes: 3-1/4 in., 3-3/8 in., 3-5/16 in., 3-1/2 in., 3-7/8 in. and 4 in.