Compliment your tool collection with the 4-Piece 3/8 in. Drive Metric Impact Socket Set. The heat-treated alloy steel provides enhanced strength and durability under high torque applications. This set features deep well sockets for better engagement with fasteners. These sockets are thin walled for improved access and are coated with black oxide to provide added corrosion resistance. The impact rated sockets are ideal for use with wrenches, drivers and ratchets. The metric sizes are great for common fastening and automotive applications. The 3/8 in. adapter is included for use with drills and impact drivers. This set includes 3/8 in. Deep well, thin wall socket (1) M10, (1) M12, (1) M14, and (1) 3/8 in. Socket Adapter.