Industrial 6-point design grips the flat sides of fasteners, rather than the corners to prevent stripping & rounding off of bolts
Each Socket are made of extremely durable & long lasting premium chrome molybdenum steel construction with corrosion-resistant black phosphate finish
High-contrast visibility permanent laser etched size markings are easy-to-read in low light for easy retrieval & identification
The package includes a set of six large SAE sockets ranging from 3-1/4 to 4 inches, all stored in a convenient carrying case.
Jumbo sockets are ideal suitable for fastener applications in settings such as heavy machinery or large trucks. Designed for both pneumatic and electric impact wrenches