Product Description The OEM TOOLS 11 Piece 1/2 Drive Deep Socket Set - SAE is made with a Hard Chrome finish and is easy to clean. The sockets are made with special alloy steel, which is heat treated for extra strength. The sockets have a Posi-Grip No-Slip that provides off corner loading for greater torque and the chamfered ends allow the socket to easily slip over the bolt head. From the Manufacturer The OEMTOOLS TOOLS 11 Piece 3/8 Drive Deep Socket Set - SAE is made with a Hard Chrome finish and is easy to clean. The sockets are made with special alloy steel, which is heat treated for extra strength. The sockets have a Posi-Grip No-Slip that provides off corner loading for greater torque and the chamfered ends allow the socket to easily slip over the bolt head.